A powerful new observatory is the best hope yet for finding the elusive Planet 9, a large planet that some scientists say is ...

Floating around at the edge of the Solar System are leftovers from its formation. This is the Kuiper Belt, which is composed of chunks of rock and ice like comets, dwarf planets, and random objects ...

(Web Desk) - Astronomers have discovered four rocky planets, all significantly smaller than Earth, orbiting Barnard’s Star — ...

Our solar system has gotten a little bit more crowded ... long and its days are roughly nine Earth hours. Since Ceres is the fifth planet from the sun, that bumps Pluto out to number ten.

And when we do that we work out that the Earth, the sun and everything in the solar system is 4.6 billion years old! MADDIE: Jupiter is the fifth planet from the sun and the biggest. It’s known ...

Astronomers claim they've found the most promising signs of possible life on a planet outside of our solar system.

The James Webb Space Telescope spotted possible signatures for life in an exoplanet's atmosphere. Still, researchers caution ...

In a potential landmark discovery, scientists using the James Webb Space Telescope have obtained what they call the strongest ...

Independent scientists described the findings as interesting, but not nearly enough to show the existence of life on another ...