A newly discovered comet, called C/2025 F2 (SWAN), may have disintegrated. But the remnants are still visible.

For years, we thought a giant comet object smacked into Earth 66 million years ago, signing the collective death certificate ...

Skywatchers throughout the Northern Hemisphere are enjoying views of the newly discovered Comet SWAN.

One of the many advantages of being in space is having a ... according to a NASA post. Comets are enormous balls of ice, dust ...

A group of comets with unexplained movements presents a quandary D avide Farnocchia hunts down and tracks asteroids, and ...

A newly observed interstellar comet is the most pristine visitor from outer space ever seen in our Solar System, according to a pair of studies released Tuesday detailing its unique characteristics.

Mar. 12, 2025 — Scientists identify a new way to detect life in outer space with currently existing telescopes. The method hinges on worlds that look nothing like Earth, and gases rarely ...

Photos show that comet C/2025 F2 (SWAN) experienced a "major eruption," causing it to become temporarily brighter. However, ...

Floating around at the edge of the Solar System are leftovers from its formation. This is the Kuiper Belt, which is composed of chunks of rock and ice like comets, dwarf planets, and random objects ...

Those, in turn, combined to form comets, asteroids and planets, including ours. Thus young Earth, Ciesla theorizes, was infused with organic molecules fabricated in space. Additional organic ...

Then detailed photographs revealed that comets' outer rinds are blackened crusts, charred by the radiation of space. Ice and dust spew through fissures in the crust, eroding the comet's interior ...

As a space scientist, you can spend your life studying some remarkable things. For example, comets that streak across the sky like giant dirty snowballs. Asteroids with the power to destroy life ...