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 ...

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

This week, revisit what you know about Uranus, explore the far side of the moon, rediscover the famed fossil known as Lucy, ...

The planet Jupiter has no solid ground – no surface, like the grass or dirt you tread here on Earth. There’s nothing to walk ...

Finding evidence for the first life ever to emerge on planet earth is a long, tough slog. But oddly enough, real answers may ultimately come from Mars.

Scientists are trying to figure out how minerals connected to exoplanetary water would look to the James Webb Space Telescope ...

NASA is keeping a close eye on a bus-sized asteroid that's expected to skim past Earth tomorrow morning. It's one of five ...

together with the abundance of water found in primitive meteorites that originated in the outer solar system. They also used ...

Friday marks the final supermoon of 2024, the last of four consecutive instances of the phenomenon to end the year.

Test yourself and see if you can you can name the eight planets in our solar system to become top of the class.

Fox News chief national security correspondent Jennifer Griffin reports on the Pentagon releasing details on UFO sightings on ...