NASA’s ATLAS survey telescope found an interstellar comet, which could be the largest yet, in the direction of the ...

Astronomers discovered 3I/ATLAS, a 10–20 km-wide interstellar comet racing into the solar system. It will reach perihelion in ...

Solar systems mostly keep to themselves. What’s ours is ours and what’s not is not. Stars are simply too far from each ...

Based on the comet's brightness and current distance — it's located just inside Jupiter's orbit — scientists estimate its ...

Interstellar comet 3I/ATLAS confirmed as the third from beyond our solar Livestream of 3I/ATLAS hosted by Virtual Telescope ...

The first interstellar object spotted in our Solar System was the cigar-shaped ‘Oumuamua, discovered in 2017 by the ...

Sometimes, "the universe comes to us," writes the European Space Agency — the third time now since 2017. What is it and are ...

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

A mysterious visitor from another solar system could be an alien spacecraft, according to a leading Harvard astronomer.

NASA astronaut Nichole “Vapor" Ayers captured a stunning photo of a Transient Luminous Event e bolt above a thunderstorm over ...

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

I/ATLAS is only the third interstellar object ever detected. You can stream the object live today, or maybe see it from your ...