NASA’s Lucy spacecraft is gearing up for an exciting flyby of the asteroid Donaldjohanson on April 20, 2025. The mission, ...

The world’s premier space observatory has spotted a mysterious and huge, free-floating planetary-mass object that’s “just 20 ...

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

Previous examinations using ground-based tools as well as the Hubble and Spitzer space telescopes indicated SIMP 0136 was ...

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 ...

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

Getting from Earth to space isn’t just about speed—it’s about planning the right trajectory. The Moon, our closest neighbor, ...

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

A white dwarf, or dying star, caused the destruction of a Jupiter-sized planet that is only around 650 light years away from ...

In late January this year, NASA’s Psyche spacecraft turned its cameras to the sky and captured some incredible images. The ...

If there was a contest for the most interesting moon in our solar system, Callisto would be a contender. Jupiter's ...

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