If you look across space with a telescope, you'll see countless galaxies, most of which host large central black holes, ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. There are currently more than 5,800 known planets beyond the solar system. Artist Martin Vargic ...

The Pandora Space Telescope will study 20 promising worlds that could host life ...

Planets are about as scarce as they can be in our summer evening sky. Earth is the only one that’s visible as darkness falls. Just look down instead of up. All of the major planets that are visible to ...

Huge, red "super-Jupiter" exoplanet orbits its star. Since astronomers first looked beyond the solar system three decades ago to discover extrasolar planets, or exoplanets, we've known that planets in ...

Each planet is a little different on the inside. And what’s inside a planet can shape what’s on the outside, too. That’s what I found out from my friend Steve Reidel, a geologist at Washington State ...

We normally think of planets as being synonymous with gas giant or rocky worlds orbiting a parent star. And as far as stars go, the Milky Way is lined with hundreds of billions of them, each with ...

Not all planets have a home. For decades, astronomers and science fiction authors alike have speculated about orphaned orbs cast adrift from their home stars, endlessly wandering the boundless reaches ...