A NASA-funded survey telescope in Chile first observed the comet in July.

If new theories are to be believed, NASA may have detected an alien craft whizzing through the solar system. While it may not ...

NASA's Mars Reconnaissance Orbiter used its camera to take high-resolution images of interstellar object 3I/ATLAS. We have ...

Comet 3I/ATLAS, the third confirmed interstellar visitor, is making its final exit from the solar system — and skywatchers ...

Interstellar comet 3I/ATLAS is passing safely through our solar system. Learn about its discovery, its distant path, and why NASA is using Hubble, Webb, and more to study it.

As 3I/ATLAS races through our solar system, NASA and Harvard take unprecedented action to study its bizarre anti-tail and ...

Learn what makes Comet 3I/Atlas, the third interstellar object ever observed entering into our solar system, so significant ...

Having made its closest approach to the sun on Wednesday October 29, comet 3I/ATLAS will soon be visible from Earth ...

Astronomers have revealed that the real center of our solar system isn't the sun. Gravity is playing a part in everything. The barycenter is the center.

The asteroids are as large as around 75 and 91 feet in diameter, according to the Center for Near Earth Object Studies.