Learn about cryovolcanism, which shapes the surface of icy moons in the outer Solar System by releasing water that ...

Astronomers are tracking a newly spotted comet, named 3I/ATLAS, hailing from parts unknown. It is only the third time such an ...

Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the ...

Scientists have been able to recreate the extreme conditions found on icy moons in deep space—and revealed the unstable ...

Nearly a month ago, a mysterious object was seen hurtling through the solar system and later confirmed as an interstellar ...

There’s a visitor in town, and its name is 3I/ATLAS. The presumed interstellar comet presents a rare opportunity for ...

Our solar system contains many planets, moons, and asteroid that we may one day call home, but the future might instead be artificial space habitats, stations, and megastructures of vast size and ...

The answers to those questions depend on how we define the death of the solar system.

The newly discovered world — a "sednoid" — challenges what planetary scientists thought they knew about the edge of the solar ...

Evidence that rocky planets beyond Jupiter formed as rapidly, and at the same time, as the inner planets could transform our ...

The star is surrounded by a protoplanetary disk, and this disk is the first evidence of debris condensing into what will ...