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The Roman observatory is slated to launch no later than May 2027, with the team aiming for as early as fall 2026. The mission will revolutionize our ...

Very wet--but very warm--weather in the western U.S. has left many mountainous regions looking at substantial snowpack deficits.

NASA's Artemis II mission will transport four astronauts around the Moon, bringing the agency one step closer to sending the first astronauts to Mars.

A new discovery captures the cosmic moment when a galaxy cluster - among the largest structures in the universe - started to assemble only about a billion ...

Data from Chandra adds red, green, and blue twinkling lights in this Dec. 22, 2025, image of Pismis 24 from NASA's James Webb Space Telescope. Pismis 24 is a ...

NASA's James Webb Space Telescope has topped itself once again, delivering on its promise to push the boundaries of the observable universe closer to cosmic ...

Satellites observed a frozen landscape across much of the country after a massive winter storm.

Nuclear propulsion and power technologies could unlock new frontiers in missions to the Moon, Mars, and beyond. NASA has reached an important milestone ...

A candidate planet that might be remarkably similar to Earth, HD 137010 b, has one potentially big difference: It could be colder than perpetually frozen Mars.

A team of NASA scientists deployed on an international mission designed to better understand severe winter storms. The North American Upstream ...