Astronomers discover a super-Earth and a sub-Neptune 250 light years away from our solar system. These planets offer a ...

All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't ...

A team of researchers used the James Webb Space Telescope to uncover new details about SIMP 0136, a free-floating planet in ...

Uranus belongs to the class of planets called ice giants; these worlds have thick, gassy shells and innards that are made up of icy material squeezed beyond recognition. Even among its kind ...

Only the three stars that make up the Alpha Centauri system lie closer to us. The planets newly discovered around Barnard’s Star are much too faint to be seen directly, so how were they found? The ...

Layer up and look to the sky! The heavens are putting on quite a planetary display this month when the weather cooperates. On clear evenings, you can see four planets if you know where to look.

While the lineup is not unusual, it is rare for all seven plants to line up at once and won't happen again until 2040. The moon has made its presence in the dotting of planets along the sky and ...

"Webb's new images of two iconic systems, HR 8799 and 51 Eridani, and their planets have stunned researchers, and provided additional information into the chemical make-up of the young gas giants ...

Enjoy observing planets in the morning and evening sky, look for Lyrid meteors, and hunt for the “faint fuzzy” wonder that is the distant and ancient city of stars known as globular ...

Dark matter is a confounding concept that teeters on the leading edges of cosmology and physics. We don't know what it is or ...

The moon has made its presence in the dotting of planets along the sky and will do ... record for launch-turnaround by sending a Falcon 9 up twice within nine days early Friday morning.