Astronomers may have uncovered a massive hidden planet far beyond Neptune, using decades-old infrared data. The object’s ...

Fourth anniversaries aren’t often causes for celebration. But in the case of the James Webb Space Telescope (JWST), which ...

The hours following sunset on Dec. 25 offer a wealth of naked-eye astronomy targets that can put even the most glitzy Christmas lights to shame, especially when viewed from a dark sky location.

A look at NASA’s Apollo 8 mission, its impact in 1968, and how Artemis 2 could shape the future of human spaceflight in 2026 ...

Step inside a fascinating space exploration museum and join us on an immersive journey through the history of moon missions.

On Christmas Eve 1968, the Earth received a message from astronauts on a mission like no other - the first around the moon. NASA will return in 2026.

In the many decades of NASA exploration, there has only been one detection that got on that scale. It was collected by the ...

On Dec. 23, 1672, Italian astronomer Giovanni Cassini discovered Rhea, Saturn’s second-largest moon. Rhea is made up of rock ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

A new study of the data sent back by the Cassini-Huygens mission to Saturn points to the moon Titan not having a global water ...

On Dec. 21, 1968, NASA’s Apollo 8 mission launched to the moon. Apollo 8 was the second crewed mission in NASA’s Apollo ...

For years, scientists thought Saturn’s moon Titan hid a global ocean beneath its frozen surface. A new look at Cassini data ...