Uranus' accidental discovery 240 years ago greatly enhanced our understanding of the solar system, doubling the size of the ...

Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...

These are young giant planets, so the carbon dioxide is definitely not coming from burping cows or a civilization burning ...

The gas giants outside our solar system are not capable of hosting extraterrestrial life, but do offer clues in a lingering ...

The James Webb Space Telescope (JWST) has directly imaged four planets orbiting the host star HR 8799 about 130 light-years ...

It's rare for any observatory to directly image a planet beyond our solar system, called an exoplanet, but the powerful James ...

The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in ...

With the new spottings, Saturn has usurped Jupiter which has 95 known moons, while Uranus (28) and Neptune (16) remain third ...

Astronomers have identified a quartet of small rocky planets orbiting Barnard's star - one of our closest stellar neighbors - ...