NASA is looking for volunteers to live in a space simulator for a year

• The July 4, 2026, science roundup highlights three major discoveries: the James Webb Space Telescope's identification of a previously unknown substance, the rapid growth of China's "Great Green Wall," and the resolution of a Medici family murder mystery. • The report emphasizes the telescope's role in expanding astronomical knowledge and the environmental impact of China's accelerated reforestation efforts.

• NASA's Chandra X-ray Observatory released a series of cosmic images featuring red, white, and blue phenomena to celebrate the United States' 250th birthday. • The "Space photo of the week" collection showcases high-energy X-ray data from various celestial objects to mirror the colors of the American flag.

• NASA's TESS satellite, launched in 2018 to detect exoplanets via the transit method (monitoring dips in stellar brightness), has accidentally discovered a distant world using an entirely different detection technique. • While the mission was specifically designed to find planets passing in front of stars, scientists realized the telescope was simultaneously collecting evidence for planets through an unexpected method.

• NASA Administrator Jared Isaacman stated that the United States is currently engaged in a "space race" against China. • The competition centers on the goal of landing astronauts on the moon and establishing a near-permanent lunar presence.

• The fridge-sized Hayabusa2 space probe performed a flyby of the near-Earth asteroid Torifune on Sunday. • JAXA scientists directed the probe to skim within 800 meters (0.5 miles) of the asteroid as part of a specialized test mission.

• NASA's Perseverance rover has discovered the largest concentration of complex organic molecules to date within mudstones in the Jezero Crater. • The findings consist of macromolecular carbon, which are complex carbon-based compounds that serve as the chemical backbone for all known life on Earth.

• Scientists and tech leaders, including Avi Loeb and Elon Musk, are envisioning radical scientific advancements for the United States over the next 25 and 250 years. • The primary goal is to expand human presence beyond Earth and the solar system, potentially enabling the discovery of extraterrestrial life.

• The James Webb Space Telescope has detected a missing wavelength of light on both Pluto and Saturn's moon, Titan. • This specific signal indicates the presence of a mysterious molecule that has never been observed elsewhere in the solar system or the wider universe.

• Scientists at the Southwest Research Institute (SwRI) are developing a new solar wind forecasting method to locate the first plasma boundary of the outer heliosphere. • The team is combining this forecasting approach with analytic and numerical heliosphere models to map the region's characteristics.

• NASA's live coverage of the Artemis II mission achieved a new agency streaming record, reflecting unprecedented public interest in the lunar journey. • Public sentiment remained largely neutral (47% to 60%) or positive (30% to 42%), driven by excitement over the crew and striking mission imagery.

• A Thai study investigated how varying living conditions in animal shelters impact the physical and mental health of dogs. • Researchers compared three facilities, finding that dogs with the most space and regular enrichment, such as toys and human interaction, exhibited the lowest stress hormone levels.