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

New discoveries of objects in the Kuiper Belt have also presented challenges for the Planet Nine theory. The latest is known ...

When you look up at the night sky, you might wonder about the celestial objects that streak through space,comets, asteroids, ...

Harvard astrophysicist Avi Loeb co-authored a July research paper speculating about whether the comet 3I/ATLAS is in fact ...

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

A newly discovered dwarf planet called 'Ammonite' (2023 KQ14) has been spotted in the outer solar system, and it could be ...

Astronomers have found 2023 KQ14, nicknamed Ammonite, a rare sednoid with a unique orbit that challenges the Planet Nine ...

In 2015, astronomer Tabetha Boyajian and colleagues announced the discovery of unusual light fluctuations coming from a star ...

Throughout August, early risers will be able to spot two planets before sunrise: Jupiter and Venus. The pair will be shining ...

An icy object in perfect sync with Neptune reveals new details about planetary migration and unseen bodies far beyond the Kuiper Belt.

Astronomers think small space rocks from beyond our solar system routinely strike Earth—but proving it isn’t easy ...