"It could represent some of the oldest and most pristine water ever observed, formed in another planetary system and ...

The long-serving space telescope saw the third interloper to enter the solar system from beyond its limits late on Monday ...

The announcement came via a Bluesky post by an astrophysics undergraduate, who shared, "Hubble Space Telescope images of ...

The Gemini North telescope in Hawaii recently snapped a close-up of the comet that's captured the world’s attention.

The photos reveal a bright and well-developed coma, the cloud of gas and dust surrounding the comet's nucleus, with striking ...

Sometimes serendipity happens in science. Whether it's an apple falling from a tree or a melting chocolate bar, some of the ...

Interstellar objects are visitors from solar systems beyond our own, and the third ever such object, known as 3I/ATLAS, has ...

Astronomers continue to track Comet 3I/ATLAS, the third-ever discovered interstellar object, passing through our solar system ...

This weekend, the Stardust spacecraft will jettison a 100-pound capsule holding comet dust. It will nosedive through the Earth's atmosphere and, if all goes well, make a soft landing in the Utah ...

The coma is mostly made of water vapour and dust, which the sun's rays displace from the surface of the comet. The ice thus takes on a gaseous form without liquefying; it "sublimes".

Comet C/2017 K2 PANSTARRS is a wonder. It entered the planetary zone of our solar system and is spewing out what NASA describes as an 80,000-mile-wide (130,000-kilometer-wide) fuzzy cloud of dust ...

Spacecraft to Bring Home Comet Dust and Clues. January 9, 2006. By Guy Gugliotta.