A large lunar crater featured in the iconic 'Earthrise' photo has just helped the European JUICE spacecraft hone its ...

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

The celestial body's unusual orbit “implies that something extraordinary occurred" in the early days of the solar system—and ...

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

Harvard astrophysicist Avi Loeb has cowritten a research paper speculating whether the comet 3I/ATLAS is in fact "hostile" ...

The astronomers observed hot minerals just beginning to solidify – the first specks of planet-forming material, the ...

Nasa's powerful James Webb Space Telescope is showing us something humankind has never witnessed firsthand before: The birth ...

Aliens are visiting our solar system. Not little green men, sadly, but natural alien objects—cosmic bodies such as comets and ...

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

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

Planets and small bodies like those in our solar system likely formed through the mixture of interstellar solids with rocky solids that condense from the hot gases surrounding a young host star ...