Astronomers are on the hunt for a mysterious ninth planet, known as Planet Nine, which could change our understanding of the solar system. Is this hidden world real, or just a myth?

SNAPS of Mars in snow are quite rare, given how hard they are to capture. But they give us a glimpse of what a future Mars ...

"Black holes are not as destructive as we thought. It seems plausible that the detection of planets in the galactic center is ...

New data confirms Hubble's finding and refutes current theories of planet formation in the universe’s early days. Thanks to ...

The Quadrantid meteor shower is one of the strongest, and quickest, meteor showers of the year. Here’s what you need to know ...

Spacecraft from NASA and other organizations captured rich imagery of our solar system in 2024, including views of Mars, Io, ...

Many stars in our galaxy exist in pairs. Now scientists are finding clues that our Sun may once have had a companion of its ...

The Parker Solar Probe is expected to pass within an "unprecedented" 3.86 million miles of the solar surface on Dec. 24, ...

Mars has two moons, Phobos and Deimos. Scientists still debate whether these came from asteroids that passed close into Mars' ...

Finding a bubble of hot gas blown by the stellar wind from a young star gives researchers a peek at what our sun was like when it was young.

Peer into the fascinating work astronauts carried out on the International Space Station as it zips across the sky.

On Christmas Eve the Parker Solar Probe flew closer to the Sun than any spacecraft, orbiting 10 times closer than the planet ...