"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 ...

However, we might also want to look for hints of alien origin. One very strong piece of evidence would be any kind of radio ...

A mysterious new interstellar object, 3I/ATLAS, was discovered in July. It turns out that wasn't the first time our ...

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 ...

Scientists are racing to learn as much as possible about the interstellar comet 3I/ATLAS before it fades from view forever ...

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

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

When the news started to spread on July 1, 2025, about a new object that was spotted from outside our solar system, only the ...

The Vera C. Rubin Observatory dazzled us with its first light images just a few weeks ago, showing just what it is capable of discovering – from new asteroids to new galaxies – in a matter of hours.

Suppose the galaxy’s oldest secrets were readable not in the glare of faraway stars, but in a brief, cold visitor whizzing ...