The interstellar comet 3I/ATLAS will make its closest approach to Earth on December 19, and will be visible with binoculars or a small telescope, posing no threat to Earth.

Most dangerous asteroids don’t come with warning signs, and some are almost impossible to spot until it’s too late.

Interstellar comet 3I/ATLAS makes its final pass by Earth this week. Its speed of 137,000 mph and unique chemical makeup have put planetary experts on high alert.

Astronomers using W. M. Keck Observatory and Subaru Telescope on the Big Island’s Mauna Kea discovered a massive planet and a ...

Young star systems are a place of violent collisions. Rocks, comets, asteroids and larger objects carom off one another and ...

But in this case, the companion is officially considered an exoplanet, not a star. The International Astronomical Union ...

Scientists using NASA's James Webb Space Telescope have observed a rare type of exoplanet, or planet outside our solar system ...

Astronomers using W. M. Keck Observatory and Subaru Telescope on the Big Island’s Maunakea discovered a massive planet and a brown dwarf orbiting distant stars — two rare companions that deepen our ...

Astronomers have discovered a carbon-rich exoplanet with a bizarre atmosphere and shape, orbiting a neutron star under extreme conditions that challenge current models of planetary formation. Scientis ...

Outer space never fails to remind us just how much we don't know. Astronomers have uncovered a lemon-shaped planet that ...

A puzzling cosmic blast detected in both light and gravitational waves may hint at a previously unseen type of explosion, challenging astronomers to rethink how neutron stars are born and collide.

We got our first look at images from the Vera C. Rubin Observatory, which will forever change how we monitor the night sky.