The NASA-funded ATLAS (Asteroid Terrestrial-impact Last Alert System) telescope in Rio Hurtado first spotted the object ...

These things take millions of years to go from one stellar neighborhood to another, so this thing has likely been traveling ...

The comet should be visible by telescope through September, before it gets too close to the sun, and reappear in December on ...

The space agency spotted the quick-moving object with the Atlas telescope in Chile earlier this week, and confirmed it was a comet from another star system.

A new interstellar object, A11pl3Z, has been discovered in our solar system, marking the third such object to be observed. It was first discovered zipping near the sun this fall.

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

Astronomers are monitoring an object headed our way that may have wandered over from another star system. Scientists have ...