Ground

• NASA's Perseverance rover discovered extensive water ice deposits beneath Mars' surface in Jezero Crater using advanced ground-penetrating radar technology, with findings suggesting accessibility for future human missions. • The subsurface ice layers extend up to 300 meters deep and contain an estimated 5 million metric tons of water ice, according to data released by NASA's Jet Propulsion Laboratory on April 21. • Scientists believe the water deposits could support long-term human habitation and fuel production, making Mars exploration more feasible for sustained presence beyond current rover missions.

The US has deployed more forces since the truce and senior Iranians seem to be relishing the prospect of the fightIt is the doomsday scenario that Donald Trump repeatedly swore he would never countenance: putting boots on the ground in a deployment that could embroil the US in a Middle East “forever war”.Now, with a two-week ceasefire in the war with Iran coming to an end and prospects for renewed negotiations hanging by a thread, the chances of the president breaking that pledge and ordering some kind of ground incursion seem to be rising. Continue reading...

• Iranian military officials have alleged that an American C-130 aircraft was struck by Iranian forces during a claimed US infiltration attempt in southern Isfahan, though the claim remains unverified. • Brigadier General Mohammad Akraminia reiterated Tehran's "no survivors" doctrine against any foreign troops entering Iranian territory, signaling extreme hostility toward potential ground operations. • Chechen leader Ramzan Kadyrov has indicated conditional support for Iran, raising the possibility of external involvement if a ground conflict escalates and widening regional security implications.

Salvaged railway timber removed for testing from Rozelle parklands, which was previously closed in 2024 when asbestos was found in garden mulchGet our breaking news email, free app or daily news podcastParts of a Sydney children’s playground where asbestos was found in garden mulch in 2024 has been closed again, with authorities removing salvaged railway timber for testing.Areas of Rozelle parklands in Sydney’s inner west were fenced off on Monday, with a council notice advising: “Thank you for your patience while we work with the NSW government to carry out works.” Continue reading...

As thousands of US soldiers and marines arrive in the Middle East, Iran is accusing Washington of privately plotting a ground assault while publicly touting ceasefire talks. Donald Trump threatened to ‘obliterate’ Iran’s energy infrastructure, said his ‘preference would be to take the oil’ in Iran and that US forces could seize the regime’s export hub on Kharg Island, while also claiming he was in talks with a new ‘reasonable regime’. Yemen’s Houthi forces have also entered the conflict, bringing the threat of further damage to the global economy. Lucy Hough speaks to the Guardian columnist and host of Politics Weekly America, Jonathan Freedland – watch on YouTube. And listen to Politics Weekly America here, or wherever you get your podcasts. Continue reading...

• The Pentagon is preparing plans for weeks of ground operations in Iran involving conventional infantry and special operations elements, with decisions now resting with President Trump, according to the Washington Post. • Trump raised the idea of U.S. forces seizing Iran's Kharg Island, the country's main oil terminal in the Persian Gulf, telling The Financial Times "Maybe we take Kharg Island, maybe we don't. We have a lot of options." • Trump also claimed Iran agreed to allow 20 ships carrying oil through the Strait of Hormuz starting Monday morning as a "sign of respect," while the White House emphasized no final decision has been made on military operations.

Tehran says it will confront any land attack, as Trump says regime’s export hub on Kharg Island could be taken ‘very easily’. Plus, how Americans can rebuild its once robust peace movementGood morning.Iran has warned the US that it is prepared to confront any ground assault, accusing Washington of secretly planning a land attack while publicly seeking talks, as the war that has killed thousands of people and caused the biggest ever disruption to global energy supplies entered its second month.What has Donald Trump said? In an interview published last night, the US president did little to assuage those concerns, telling the Financial Times that his “preference would be to take the oil” in Iran, and saying of Iran’s crucial export hub on Kharg Island: “We could take it very easily.”This is a developing story. Follow the liveblog here.Why is this important to Cuba? The thousands of barrels of crude would provide significant relief to Cuba, which, according to the president, Miguel Díaz-Canel, has not received any oil imports for three months, leading to strict rationing of gasoline and exacerbating an energy crisis that has resulted in multiple power outages across the country. Continue reading...

Conflict shows signs of entering new, more dangerous phase as additional 3,500 US troops arrive in the Middle EastUS lawmakers responded to reports that the Pentagon is preparing for weeks of ground operations in Iran, as thousands of US troops assemble in the Middle East and the conflict showed signs of entering a new, more dangerous phase.Officials told the Washington Post that a ground operation in Iran could be limited to raids by Special Operations forces and infantry troops, but it was unclear whether Donald Trump would approve any of the Pentagon’s plans. Continue reading...

Tehran says it will confront any land attack, as Houthi missiles fired at Israel signal further escalation in regionMiddle East crisis – live updatesIran has warned the US that it is prepared to confront any ground assault, accusing Washington of secretly planning a land attack while publicly seeking talks, as the war that has killed thousands of people and caused the biggest-ever disruption to global energy supplies entered its second month.As efforts to find a negotiated conclusion to hostilities inched forward with a meeting of regional powers in Pakistan, there were signs of further escalation over the weekend as Yemen’s Iran-backed Houthis entered the conflict for the first time, and the Israeli prime minister, Benjamin Netanyahu, said his country was widening its invasion of southern Lebanon. Continue reading...

• Secretary of State Marco Rubio stated the US conflict with Iran would extend another two to four weeks, while signaling no immediate plans for a ground operation into Iranian territory. • Rubio identified preventing Iran from imposing tolls on ships crossing the Strait of Hormuz as the biggest post-conflict challenge, characterizing such action as illegal and dangerous to global commerce. • The statement comes as the US deploys additional troops to the region following an Iranian missile and drone attack that injured 12 American service members at a Saudi base.

Secretary of state Marco Rubio repeats administration’s belief that US can achieve its aims without a ground warAmid tentative White House efforts at diplomacy to end the war in Iran, US troops have also been arriving in the region to deliver what Donald Trump has hoped could be a knockout blow if he can’t negotiate a ceasefire with Tehran.Thousands of US marines aboard navy amphibious ships from the 31st and 11th expeditionary units have been deployed to the Middle East from Asia. Another 2,000-odd paratroopers from the 82nd Airborne are also being sent to the theatre – they are tasked with deploying worldwide within 18 hours of notification and execute parachute assaults, including against a “defended airfield” to prepare for further ground operations. Continue reading...

• US Secretary of State Marco Rubio stated on March 27 the operation against Iran is on or ahead of schedule, set to end in weeks not months, without needing ground troops. • Rubio reported progress with G7 allies in France countering Iranian threats to toll Hormuz vessels. • Assurance aims to calm domestic concerns over prolonged engagement.

• The Pentagon is developing military options described as a 'final blow' against Iran that could include ground forces invasion, according to Axios reporting on March 27. • One plan involves invading or blockading Kharg Island, Iran's main oil export terminal; another would send U.S. forces into Iran's interior to secure highly enriched uranium at nuclear facilities. • The escalation plans emerge as President Trump extended his ultimatum deadline for Iran to open the Strait of Hormuz to April 6, marking the third delay since initially setting the deadline for March 27.

• The US Pentagon is developing plans for a 'final blow' in the Iran war, involving ground troops and massive bombing, as reported by Axios citing two US officials and knowledgeable sources on March 27, 2026. • US Central Command confirmed an Israeli airstrike killed Iran's IRGC Navy commander, amid escalating naval tensions near the Strait of Hormuz. • The Wall Street Journal revealed considerations for deploying 10,000 additional US troops with armored vehicles to the Middle East, coordinating with existing Marines and the 82nd Airborne Division.

• NBC Nightly News with Tom Llamas held second place in Q1 2026 ratings with 6.93 million total viewers and 1.04 million viewers in the key 25-54 demographic, marking growth from the previous quarter. • CBS Evening News, now anchored by Tony Dokoupil since January 5, averaged only 4.24 million total viewers and 532,000 demo viewers through March 20, significantly trailing competitors. • NBC's ratings increased from 6.22 million total viewers in Q4 2025 and showed slight growth compared to Q1 2025's 6.6 million viewers, indicating sustained viewership momentum.

Frederiksen told supporters she was ‘ready to take on the responsibility of serving as Denmark’s prime minister again for the next four years’Denmark’s King Frederik will meet the outgoing prime minister Mette Frederiksen in about half an hour so she can brief him on the results and the political aftermath of the vote, the Palace just said.Denmark’s prime minister Mette Frederiksen hinted she wanted to stay in office after last night’s inconclusive parliamentary election, which will leave the country with lengthy coalition talks. Continue reading...

Monument made from shattered pieces of original statue tossed into Baltimore’s inner harbor by protesters in 2020US politics – live updatesA statue of Christopher Columbus has been installed in the grounds of the White House in the latest attempt by Donald Trump to position the controversial explorer as a foundational hero of the US.The president had the 13ft statue, which weighs one ton, placed outside the Eisenhower Executive Office Building, on Pennsylvania Avenue. It is a replica of a monument to Columbus that was torn down and tossed into Baltimore’s inner harbor by protesters in the city amid widespread anti-racism protests in 2020. Continue reading...

The regulator has issued a ground stop for all planes and New York’s emergency management authority warned people to expect cancellations and delaysNew York’s LaGuardia airport was closed to flights early on Monday after an Air Canada flight and Port Authority vehicle collided.The New York police department confirmed the collision but could not immediately offer further information. The update came after flight tracking website FlightRadar24 said in post on X late on Monday that an Air Canada Express plane had collided with a ground vehicle at the airport. Continue reading...

• Israel announces ground operations targeting Iran-backed Hezbollah in southern Lebanon, escalating the multi-front conflict. • Iran launches a new wave of drone and missile strikes across the Gulf, including damage to Iraq's Al-Rasheed Hotel and attacks on Kuwait and Qatar. • U.S. President Trump receives regular options to end the Iran war, per sources, amid concerns of wider regional involvement.

Israeli defence minister says IDF instructed to destroy ‘terror infrastructure’ in southern villagesIsrael’s announcement on Monday of a ground campaign in new areas of southern Lebanon is fuelling fears of a prolonged occupation among hundreds of thousands of displaced Lebanese.Concerns intensified after Israel’s defence minister, Israel Katz, drawing comparisons with Gaza, warned displaced Lebanese forced from their homes would not be allowed to return until the safety of Israelis near the border was guaranteed, remarks that appeared to suggest the presence of Israeli troops could become prolonged. Continue reading...

• New York University Abu Dhabi team discovered clues of subsurface water on Mars in Gale Crater using NASA's Curiosity rover data, indicating habitability lasted longer than previously thought. • Ancient sand dunes hardened into rock billions of years ago after interacting with groundwater, confirmed by comparing Martian formations to UAE desert analogs. • Led by Dimitra Atri, the study published in Journal of Geophysical Research - Planets highlights underground sites as prime locations for past life evidence.

• Israel has expanded its ground operations in Lebanon targeting Hezbollah as the air campaign has already displaced more than one million people in the country. • The escalating military operations mark a significant expansion of the conflict beyond direct Iran-Israel exchanges and represent humanitarian consequences of unprecedented scale in the region. • The displacement crisis threatens to create a major humanitarian emergency while expanding the geographic scope of the conflict beyond the Iran-U.S. military confrontation.