Data from the James Webb Space Telescope on exoplanet K2-18b has revealed the "strongest hints yet of biological activity outside the solar system," according to a University of Cambridge study.

The IMAP mission will play a part in the Artemis moon missions; Three craft were launched for these three missions: IMAP, ...

A NASA mission to study the heliosphere—the sun's magnetic bubble that shields our solar system—and develop a better ...

SpaceX launched a trio of spacecraft Wednesday morning, each meant to study the sun and space weather, and their affects on ...

Astronomers are buzzing over 3I/ATLAS, a mysterious object hurtling through our solar system, and a new theory claims it can ...

When I see planets in the night sky, I think of them as old friends. I know, I know — I need to get out more, but my oldest ...

Methane gas may signal an atmosphere or geological activity on a distant dwarf planet located at the outer edge of the Solar System. A research team led by the Southwest Research Institute has ...

Astronomers were fascinated after spotting an object from interstellar space hurtling through the solar system earlier this ...

With current rocket propulsion technology, it would take tens or hundreds of millennia to reach our neighboring star system, ...

It's easy to think that Neptune is the coldest planet in the solar system because it is the farthest from the Sun. Astronomers have been puzzled for years by the fact that Uranus is the coldest planet ...

On August 24, 2006, our solar system lost a planet. It wasn't by cataclysmic destruction, but rather by the vote of the International Astronomical Union, which declared that Pluto, considered the ...

Astronomers have uncovered a massive new trans-Neptunian object, 2017 OF201, lurking at the edge of our solar system. With an orbit stretching 25,000 years and a size that may qualify it as a dwarf ...