Donaldjohanson, a main belt asteroid, could be a relic of a cosmic collision that took place 150 million years ago.

The James Webb Space Telescope (JWST) has achieved groundbreaking discoveries in the field of exoplanet studies.

Studying young gas giant exoplanets' compositions and orbits could help us better understand how our own solar system's gas ...

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

Dec. 9, 2024 — A NASA Hubble Space Telescope observation program called OPAL (Outer Planet Atmospheres Legacy) obtains long-term baseline observations of Jupiter, Saturn, Uranus, and Neptune in ...

Astronomers have discovered a panoply of new moons orbiting Saturn, bringing the ringed gas giant's total up to 274 moons—far ...

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

IT’S been nearly 40 years since the first planet outside of our Solar System was discovered. Since then, more than 5,800 weird and wonderful worlds across 4,300 planetary systems have been ...

Europa, one of Jupiter’s intriguing moons, is hiding an ocean beneath its icy shell — an ocean that might harbor alien life.

A huge haul of 128 newfound satellites might be a hint of past collisions in the planet’s orbit, or something else.

Using data collected by NASA’s Juno spacecraft as it flew past Jupiter’s highly volcanic moon Io in late 2023 and again in ...