Astronomers have, for the first time, pinned down both the mass and distance of a planet that drifts through the galaxy ...

A new formation theory for Pluto's moon Charon could explain why Pluto is geologically active. Illustration incorporates NASA New Horizons terrain imagery. Pluto — demoted to dwarf planets status in ...

With sapphire waterfalls, lava rain and orbits around dead stars, these distant worlds push the limits of what’s possible.

Our solar system is much like a trail of microcosmic breadcrumbs: Follow the molecular bits as far back as they go, and you'll learn a thing or two about where many of our planets and other celestial ...

Strange hexagonal diamonds may have been jettisoned into space when a dwarf planet collided with a large asteroid around 4.5 billion years ago. A new model exploring the dwarf planet Ceres suggests ...

An international team of astronomers reports the discovery of a new giant exoplanet around an M-dwarf star (GEMS). The newfound GEMS, designated TOI-5573 b, is comparable in size to Saturn and its ...

Gaia data reveals signs of planets forming around young stars by measuring stellar motion, identifying planetary, brown dwarf, and stellar companions in early star systems ...

Can rocky exoplanets orbiting stars smaller than our Sun support life as we know it? This is what a recent study published in Nature Communications hopes to address as an international team of ...

What can planets orbiting red dwarf stars teach scientists about planetary formation and evolution? This is what a recently submitted study hopes to address as an international team of researchers ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Like a family in which short parents have tall children, a tiny red dwarf star is defying our ...

Planets travel alone in space, without a parent star. These wandering worlds, far from being rare, might even be extremely ...

How did this red dwarf star 240 light-years away end up with a gas giant planet? Credit: University of Warwick / Mark Garlick illustration Astronomers have discovered a world outside the solar system ...