NASA's Hubble Space Telescope caught a glimpse of 3I/ATLAS – again. Here's a look at the latest photo of the intriguing ...

Could Mars have just stolen Earth’s front-row seat to one of the rarest cosmic events in decades? In early October, NASA’s Mars Reconnaissance Orbiter (MRO), the MAVEN spacecraft, and the Perseverance ...

The giant dirty snowball has been seen dimming and brightening, akin to a ‘heartbeat’, according to one Harvard ...

The rare interstellar comet, also known as 3I/ATLAS, was first discovered in July and has been photographed several times.

Interstellar comet 3I/Atlas has moved within 300 million km of Earth as scientists continue tracking its rare journey.

December is the month that fans of 3I/ATLAS have been waiting for as the interstellar comet makes its closest approach to ...

Telescopes around the world are now tracking a new visitor to our celestial neighborhood. Streaking through at a speed and trajectory that not even the Sun's immense gravity can capture, we will only ...

The Eta Aquarid meteor shower will light up the sky Monday, May 5 with a chance to see pieces of Halley's comet streak through the night sky. Here's what to know and when to watch. The annual Eta ...

(AP) - Halley's comet swings near Earth every 75 years. But debris left by the comet leads to two major meteor showers every year including the Eta Aquarids. When this meteor shower lights up the ...

Spectroscopy of other stars has led to most discoveries of exocomet systems. In research led by University of Colorado Boulder undergraduate Adalyn Gibson and published this year in the Astrophysical ...