Somewhere around 12,000 light-years from Earth, a star that is slightly smaller and cooler than our Sun did something violent ...

Astronomers using the James Webb Space Telescope have uncovered surprising evidence about how enormous “super Jupiter” ...

Scientists believe a dust-filled ring just outside Jupiter acted like a cosmic “planetesimal factory,” producing multiple generations of early space rocks with very different compositions. The ...

NASA’s Psyche spacecraft has sent back a few of the prettiest pictures of Mars seen in years. On its big trip through wide space, the ship flew very close to the Red Planet and took bright blue ...

Scientists believe that future human settlements on Mars may rely on metals extracted from asteroids for construction.

The familiar concept of a planetary core, a small, dense metallic heart we take for granted, may be the exception rather than ...

For decades, the solar system set the template: small rocky planets close to the star, gas giants farther out, beyond a ...

Astronomers using NASA’s James Webb Space Telescope have uncovered a rare world unlike anything in our solar system — a giant planet about the size of Saturn with surprisingly Earth-like temperatures ...

An asteroid named '16 Psyche' has a keen way of keeping scientists on their toes, sending mixed signals for its composition, ...

A planet that is about the size of Saturn, but with a temperature more like Earth's, has an atmosphere rich in methane, ...

Not quite halfway through a six-year sojourn through the Solar System, a NASA spacecraft used a close encounter with Mars ...