Comet C/2026 A1 (MAPS) could become visible to the naked eye this April. Learn where to watch and if the comet will survive its flight past the sun.

Interstellar comet 3I/ATLAS will soon reach its closest distance to Earth, so this may be our last, best chance to see this rare object before it heads back out into the universe, never to return. One ...

On March 22, 1997, a super bright comet by the name of Hale-Bopp made its closest approach to Earth. [‘On This Day in Space’ Video Series on Space.com] It was bright enough for people to see without ...

The interstellar comet 3I/ATLAS is leaving our solar system for good. Here's what to know about its journey and NASA's ...

And now it's 250 million miles away.

(CNN) — An interstellar comet first spotted passing through our solar system in July is beginning its departure from our corner of the universe — but first it will fly by Earth, and scientists are ...

The levels of a heavy form of hydrogen in 3I/ATLAS are 30 to 40 times higher than in Earth's oceans, suggesting the comet has ...

NASA's Hubble Telescope captured the rare phenomenon of a comet breaking apart, catching scientists off guard until they saw ...

The sky could host a brief but remarkable event in early April 2026. Astronomers are closely tracking a newly discovered sungrazing comet, officially .

The comet originated from outside our solar system and poses no danger to our planet. NASA officials have rejected theories that the object could be an alien spaceship. While not visible to the naked ...

A stray comet will make its closest approach to Earth today in one last hurrah before racing back toward interstellar space. Discovered over the summer, the comet known as 3I/Atlas will pass within ...

Today is the day that astronomers, amateur stargazers and alien conspiracy theorists alike have been waiting for: interstellar comet 3I/ATLAS is as close to Earth as it will ever get. But lest you ...