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

A newly discovered object speeding through our solar system could be something far stranger than a comet, possibly even alien ...

An ‘interstellar visitor’ spotted drifting into our solar system weeks ago is either a massive dirty snowball or an alien ...

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

Earth's famous Hubble Telescope has just revealed the first images of a mysterious interstellar object racing through our ...

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

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

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

Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an interstellar object ...

This comet, first detected on July 1, 2025, by the ATLAS sky survey system, is providing scientists with a rare glimpse into the chemistry and behavior of objects that formed around other stars.

Using the Gemini North telescope in Hawaii, astronomers have captured an image of comet 3I/ATLAS, an interstellar object that ...

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