European Southern Observatory's Very Large Telescope (VLT) in Chile, with additional data from the James Webb Space Telescope ...

Old rocket parts and decommissioned satellites are whizzing around in low Earth orbit, where they risk colliding with the ...

The interstellar object 3I/ATLAS is thought to be roughly 7 billion years old, making it even older than our solar system.

Using the European Southern Observatory 's (ESO) Very Large Telescope (VLT), astronomers have caught it pulling in gas and ...

People think they've found Martian images of interstellar object 3I/ATLAS on NASA's website. They might be right.

Our own planet represents a tiny fraction of the peculiar phenomena that can be found lurking throughout the cosmos, and every day astronomers turn up new surprises. In this gallery, we take a look at ...

The interstellar comet 3I/ATLAS may be out of view of Earth, but orbiters on Mars were able to recently get a look at it.

We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to ...

Astronomers observed something incredible in a region that not much was expecting—a planet-scale object drifting alone in ...

A mysterious celestial body speeding through the solar system and shedding metals was captured in July by the Very Large ...

Agents rushed to a West Texas farm Thursday morning after a massive balloon from space crash-landed in a crop field. The ...

Astronomers found that interstellar object 3I/ATLAS shows an "extreme abundance ratio" of nickel and iron in its gas plume.