Nearly a month ago, a mysterious object was seen hurtling through the solar system and later confirmed as an interstellar ...

Comet C/1999 S4 (LINEAR) was discovered by the LINEAR project in September 1999 and exhibited unusual behavior. Observations by the Hubble Space Telescope in July 2000 revealed a significant crustal ...

Comet 3I/ATLAS was first identified by the Asteroid Terrestrial-impact Last Alert System (ATLAS), a global network of four ...

Serendipitously, the Rubin Observatory collected imaging in the area of the sky inhabited by the object during regular commissioning activities,” the researchers said, seizing on a unusual scientific ...

The Hubble Space Telescope has snapped some spooky looking photos of our solar system's newest interstellar invader on the ...

Detailed photos from the newly operational Vera C. Rubin Observatory have revealed that the recently discovered interstellar ...

Using the Atacama Large Millimeter/submillimeter Array (ALMA), a team of astronomers led by Abubakar Fadul from the Max ...

"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 ...

A controversial new paper questions whether the interstellar object 3I/ATLAS is a potentially dangerous alien probe, similar ...