Hubble Space Telescope

A new analysis of archival Hubble Space Telescope photos reveals that a peculiar comet slowed its spin before fully reversing its rotational direction via "outgassing" during a flyby of Earth in 2017.

Viewing Saturn in complementary wavelengths, the James Webb and Hubble space telescopes reveal more about what makes up the layers of ringed planet's atmosphere.

Astronomers have discovered how "forever young" stars stay blue and bright despite being almost as old as the universe.

AI helped researchers probe the Hubble Space Telescope's archive to find strange celestial objects, including some indescribable by science.

Researchers have identified a massive red supergiant on the brink of supernova in images from the James Webb Space Telescope, shedding light on a decades-old star mystery.

Researchers have detected a gamma-ray burst outside of the Milky Way that's unlike any previously observed. There's no satisfying explanation for the mysterious cosmic explosion, but it may be linked to elusive intermediate-mass black holes.

Near-infrared images from the James Webb Space Telescope revealed five early universe galaxies merging within a large halo.

New images from the Hubble telescope show an extrasolar entity as it hurtles through our solar system at speeds of more than 130,000 mph (210,000 km/h).