New simulations suggest Saturn's rings formed from a shattered moon called Chrysalis, offering clues to the planet's tilt and surprisingly young rings.
A NASA X-ray telescope has captured a breathtaking portrait of a supernova remnant, revealing unseen features of the exploded star.
The unprecedented observations of comet 41P/Tuttle–Giacobini–Kresák show its rotation slowing, reversing and then speeding up, and jet-like outbursts of gas might be providing the push.
The powerful magnetic field belonging to the sun is generated far beneath the visible surface.
NASA released a new image of its next-generation Nancy Grace Roman Space Telescope undertaking testing to simulate vibrations experienced during launch.
Observations from the James Webb and Hubble space telescopes reveal Saturn's atmosphere and rings in the most detailed view created to date.
A new catalog of potentially habitable exoplanets provides the framework for future observations in the search for alien life.
Lightning on Jupiter may pack more than 100 times the power of Earth's bolts, and may prove one million times stronger, a new study finds.
Astronomers have discovered an additional 100 new worlds in data collected by NASA's exoplanet-hunting spacecraft TESS, thanks to an innovative AI program.
Europe's Hera spacecraft has completed a major deep-space maneuver, setting it on course to rendezvous late this year with the asteroid system targeted by NASA's DART mission back in 2022.