Scientists are reconsidering old information about Uranus. NPR's Scott Simon explains the problem with photos taken of the ...

The answers to the biggest questions in space science — what happens inside a black hole, how does a galaxy form or what is dark matter — lie ...

Earth, between sweltering Venus and frozen Mars, formed and orbits within a band where water could persist in solid, liquid, and gaseous phases. Mars had surface water, but not as much as Earth, and ...

NASA's Juno spacecraft has sent back new, eye-catching images of Jupiter, capturing intricate views of the planet's turbulent atmosphere as well as one of its lesser-known moons. On Oct. 23, the ...

The first was the famous Comet C/2023 A3 Tsuchinshan–ATLAS whose dust tail of several million miles graced skies all over the ...