What would happen if Jupiter’s moons scattered? Explore the orbital chaos and potential collisions caused by displaced moons.

Beneath Europa’s icy crust lies a hidden ocean that could harbor alien life. Follow the story from Galileo’s first glimpse of ...

NASA is unveiling close-up pictures of the interstellar comet that's making a quick one-and-done tour of our solar system ...

Object is just the third known visitor from another solar system – and has prompted speculation about whether it might be an ...

Our search for exoplanets is focused on Milky Way stars. It's been successful, with more than 6,000 detected so far.

The rare interstellar comet, also known as 3I/ATLAS, was first discovered in July and has been photographed several times.

"This successful test marks a major step forward in the development of future satellite control systems." For the first time, ...

With the government reopened, the space agency at last released pictures captured by a fleet of government spacecraft of an ...

The Sentinel-6B is the second of two satellites in a $1 billion program to monitor sea levels over a full decade.

JWST has detected rare silane gas in an ancient, oxygen-poor brown dwarf, revealing a key clue to why Jupiter and Saturn hide ...