Missing planets? That literally happens all the time IRL. Here's why the Star Wars trope of incomplete star maps and missing ...

A large team of researchers working on the Alpha Magnetic Spectrometer Collaboration, which has been analyzing eleven years' ...

"We are the first mission to be able to track space weather events in three dimensions routinely across the solar system." ...

NASA's Juno spacecraft has discovered a giant volcanic hot spot on the surface of Jupiter's hellish moon Io. The eruptions in ...

The acid yellow moon Io that orbits Jupiter may be less than 30% the size of Earth, but is considered the most volcanic body ...

"This is the most powerful volcanic event ever recorded on the most volcanic world in our solar system — so that's really ...

Could extraterrestrial life exist beyond Mars?  Join NASA’s search for alien life in the outer solar system as we explore ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...