Interstellar comet 3I/ATLAS might be older than our Sun and is estimated to be between eight and 14 billion years old and ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

In July, researchers using the NASA-funded Asteroid Terrestrial-impact Last Alert System survey telescope in Chile made an ...

The interstellar comet 3I/ATLAS has swung back into view after passing behind the Sun, and its return is proving even ...

Astronomers remain puzzled about the images of 3I/ATLAS captured several months ago; at the same time, the object’s ...

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

NASA’s Europa Clipper spacecraft has observed interstellar comet 3I/ATLAS, collecting rare data as the ancient object made ...

Interstellar comet 3I/ATLAS showed measurable water activity after passing the Sun, observed by SOHO’s SWAN instrument, ...

I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches Earth in December 2025.

Three symmetrical jets jutting out of interstellar object 3I/ATLAS are showing up in Hubble observations, puzzling astronomer ...

3I/ATLAS has now made its closest approach to the sun and Earth and is now heading back out toward the outer solar system. On ...

I/ATLAS was first discovered on July 1, 2025, it has garnered much attention, including speculation, hopes and fears that it ...