A Harvard astronomer has proposed a bold theory about a mysterious interstellar object that has been observed accelerating away from our solar system at high speed. This acceleration, he suggests, ...

The mysterious interstellar object 3I/ATLAS is just weeks away from reaching its closest point to Earth: it’s expected to pass within just 170 million miles of our home planet on December 19, giving ...

An interstellar object named 3I/ATLAS, confirmed to be a comet, is passing through Earth's solar system. The comet poses no threat to Earth and will make its closest approach to our planet on Dec. 19.

Space agencies around the globe have launched an unprecedented wave of planetary defense exercises, all centered on a mysterious interstellar visitor that refuses to behave like anything scientists ...

Astronomers tracking the skies around our planet have picked up two very different cosmic companions: a vast interstellar comet sweeping through the inner solar system and a small quasi-moon looping ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

The comet is the 3rd interstellar object ever detected and got its name from the ATLAS telescope that discovered it. NASA officials have rejected conspiracy theories that the object could be an alien ...

Lowell Observatory astronomer Dr. Qicheng Zhang has captured the first ground-based optical images of Comet 3I/ATLAS following its closest approach to the Sun, thanks to the unique low-horizon ...

Mysterious interstellar object 3I/ATLAS made its closest approach to Earth on December 19, coming within just 167 million miles. Scientists have been closely monitoring the object — which is largely ...

Interstellar objects like 3I/ATLAS are most likely to enter our solar system from two specific directions, a new study suggests. What does it mean for Earth? When you purchase through links on our ...