Captured just days after its discovery, the images offer the clearest view yet of this rare visitor from beyond our solar ...

The NSF-DOE Vera C. Rubin Observatory in Chile recently captured rare footage of the visitor known as 3I/ATLAS — only the third interstellar object discovered. What’s more impressive: The observatory ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

Scientists are exploring various proposals to repurpose existing spacecraft in order to chase after the interstellar object ...

In an exciting and rare new discovery, astronomers recently confirmed that a third known interstellar object has entered our solar system. The interstellar comet, dubbed "3I/ATLAS", was initially ...

After a scientist claimed a 'hostile alien threat' could attack Earth within months NASA has weighed in on the situation.

Aliens are visiting our solar system. Not little green men, sadly, but natural alien objects—cosmic bodies such as comets and ...

An interstellar object called 3I/ATLAS is now moving through our solar system, the third one we've seen in the last eight years.

A comet from a solar system outside our own was first noticed on July 1 by a NASA telescope located in Rio Hurtado, Chile, as part of the Asteroid Terrestrial-impact Last Alert System (ATLAS).

The solar system's journey through the galaxy is more complex than most imagine. While we often picture planets orbiting the Sun, the Sun itself is moving, hurtling through the Milky Way at about 230 ...

The European Space Agency said Wednesday that scientists have discovered what might be the third known interstellar object to pass through our solar system.