A “city killer” asteroid once thought to be on a potential collision course with the Earth has now been found to have a higher chance of striking the Moon. The building-sized space rock, designated ...

NASA’s ambitious plan toexplore Europa, one of Jupiter’s most intriguing moons, has faced a significant setback. The agency ...

Other federal science organizations haven't been spared, either — places like the National Oceanic and Atmospheric ...

TOI-6894 is roughly 240 light-years from Earth in the constellation Leo and is the smallest-known star to host a large planet ...

The icy surface of Europa, one of Jupiter's moons, has captured scientists' attention. Compounds like carbon dioxide and salt ...

As the years go by, the chances of Europa hosting life seem to keep going down. But it's not out of contention yet.

For years, scientists have puzzled over how Mars lost the thick atmosphere it once had. That atmosphere was essential for ...

New research suggests there may be a narrow window of possibility for life to persist on the icy moons of the outer solar ...