An astronaut aboard the International Space Station has shared a striking photo of what is known as a Transient Luminous ...

For only the third time in history, astronomers have identified what they think is an interstellar object — and it could be ...

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

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...

The newest visitor is 416 million miles from the sun, out near Jupiter, and heading this way at a blistering 37 miles per ...

Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an interstellar object ...

All eyes are on Comet 3I/ATLAS as astronomers worldwide chase the exotic ice ball through our solar system ...