While most scientists believe it’s a natural comet, one Harvard astronomer has suggested its unusual features could hint at ...

As the third known interstellar object in history, 3I/ATLAS has astronomers and the internet on edge. Is it just a comet from another star system, or something stranger, as Harvard's Avi Loeb hints?

The interstellar comet 3I/ATLAS reached its perihelion, the closest point to the sun, and is expected to be most active on ...

This is the third time an object from outside the solar system has been found. An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.

A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three ...

A comet traveling outside the solar system and heading toward the Earth is much larger than scientists first believed, a scientist has detailed in a new report. Avi Loeb claims the comet could even be ...

What's special about Chiron's rings is that they're still forming; this marks the first time astronomers have ever seen a ...

The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...

When Google revealed it is the company behind a proposed data center project in West Memphis, the tech giant said it will ...