Comets have long been seen as omens and portents, and it's easy to understand why. They first appear as faint smudges of ...

AN ocean full of alien life could be hiding on an icy moon system not far from earth, in what scientists have called an ...

You may need binoculars or a telescope for this one. It includes the three furthest planets in our solar system.

Miranda is the smallest and innermost of Uranus's five round satellites and orbits the planet around once every 1.4 Earth ...

Doctoral student leads research on planets that pass through the habitable zone during part of their orbits. Are there ...

Both of the most famous NASA’s most popular spacecraft – one who is orbiting Earth and the other is much far away in the ...

If there are alien civilizations in the Universe, some of them could be super advanced. So advanced that they can rip apart ...

The giant planet J1407b has been a weird space mystery since its discovery in 2010. But a new study revealed something about the planet that may help explain at least part of its weirdness: a ...

Four huge asteroids — and a fifth that's much smaller — are passing Earth on Thursday in their closest approaches to the ...

Space.com talks to artist and author Martin Vargic, who is turning exoplanets into stunning and intricate art.

Initially, both Uranus and Ceres were classified as planets. But once more objects were found to share similar orbits with Ceres, astronomers had to rethink things — surely, planets lived alone ...