NASA Administrator Bill Nelson met with elected officials about Earth science and visited mission control for the Perseverance Mars rover.

Hubble observations of Europa have revealed the presence of persistent water vapor – but, mysteriously, only in one hemisphere.

The next full Moon is the Hunter's Moon, the Travel Moon, and the Lucy Moon.

Satellites are producing a deluge of data, so engineers and scientists are setting up systems in the cloud to manage it.

As the ice-and-snow rubble known as mélange melts in Antarctica’s ice shelves, rifts can grow and icebergs break off even in the brutal cold of winter.

NASA, along with the European Space Agency, is developing a campaign to return the Martian samples to Earth.

A new paper details how the hydrological cycle of the now-dry lake at Jezero Crater is more complicated than originally thought.

Geared toward improving spacecraft navigation, the technology demonstration operated far longer than planned.

Set to launch next year, NASA’s Psyche mission marks the first time the agency has set out to explore an asteroid richer in metal than rock or ice.

Meet NGC 5728, a spiral galaxy around 130 million light-years from Earth.

DART's mission is to determine if flying a spacecraft into a small solar system body could be a reliable technique to deflect an asteroid.

Project scientist Mark Clampin is reflected in the Webb telescope's mirrors during testing in 2011. Webb is set to launch on Dec. 18, 2021.