Comet 3I/ATLAS, the third interstellar object ever detected, will be visible from ground-based telescopes through the end of ...

In July, NASA reported its ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope in Chile identified a comet ...

3I/ATLAS is an interstellar comet that has traveled from outside the solar system, with a diameter of 10 to 20 kilometers.

The comet, named 3I/ATLAS, is only the third confirmed interstellar object ever seen in our solar system. That means it came ...

Scientists are closely monitoring Comet 3I/ATLAS, an interstellar object. Discovered in July 2025, it's moving at record ...

Comet 3I/ATLAS, discovered in July 2025, is the fastest interstellar visitor ever recorded, traveling at 130,000 miles per ...

Astronomers say that mysterious interstellar visitors like 'Oumuamua and 3I/ATLAS are the most common large bodies in the ...

A strange comet that was recently discovered to be speeding through our solar system could actually be the work of evil aliens — at least, if you believe the argument in a controversial new research ...

Astrophysicist Avi Loeb, the former chairman of Harvard's Department of Astronomy and current head of Harvard's Galileo Project, which searches for ...