The countdown has begun. The crew is ready. And barring any last-minute hiccups, four astronauts on Wednesday will begin a journey that sends them farther from Earth than any human has gone before.
Before wrapping up their first flight day, the crew of Artemis 2 pulled off another feat of NASA in-flight troubleshooting: fixing their broken toilet. It might not rank as NASA’s no. 1 triumph, or ...
NASA’s Suomi NPP satellite captured this composite image of southern Africa and the surrounding oceans on April 9, 2015. As sea levels in these oceans rise due to climate change, Earth’s rotation ...
Born March 24, 1893, in Germany, Wilhelm Heinrich Walter Baade earned his Ph.D. from the University of Gottingen in 1919. He went on to a career at the Hamburg Observatory, then, in the late 1920s, ...
The months-long drama over NASA’s fiscal year 2026 budget has entered a critical new phase, with a looming government shutdown forcing a high-stakes confrontation over the agency’s future. The central ...
In a study published today in Science, researchers say they have solved a climate enigma — the inexplicable surge in global temperature in 2023, rising faster than climate models predicted. By ...
NASA is targeting April 1 for the launch of Artemis 2, with additional opportunities through April 6. The agency’s Space Launch System (SLS) rocket and Orion spacecraft completed their second rollout ...
The Moon passes 4° north of Jupiter at 8 A.M. EDT. By evening, they are high overhead in Gemini the Twins, now nearly 8° apart as the Moon sits near Pollux, the slightly brighter of the two brothers’ ...
As close as we astronomers love to feel to space, one thing stands between us and the outer reaches: Earth’s atmosphere. More than 60 miles (97 kilometers) of gases separate us from the cosmos, and it ...
As black holes feed, they pull material into a disk around them. The material orbiting in this disk gets heated to extreme temperatures, and so it becomes a plasma — a state of matter in which some of ...
A vertical dark band cutting through a bright nebula marks the protoplanetary disk surrounding the young star IRAS 04302+2247. Observations of such disks will help astronomers understand how small ...
Mercury reaches its greatest western elongation 19° from the Sun at 6 A.M. EDT. Now shining a bright magnitude 0, it stands 5° high in the east an hour before sunrise. The planet is now some 42 ...
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