Planets usually stay close to their host stars, tracing steady paths shaped by gravity. Yet some planets break free and drift ...

A lonely world the size of Saturn is drifting through the Milky Way with no star to warm it, and for the first time ...

Astronomers have just confirmed one of the strangest kinds of worlds imaginable, a planet drifting through the galaxy with no ...

Ground and space-based telescopes have confirmed a microlensing event caused by a rogue planet wandering silently through the ...

The star system V1298 Tau reveals that many planets begin as large, low-density worlds that slowly shrink and shed their ...

Astronomers suggest that an alternative concept of gravity, known as modified Newtonian dynamics, could explain orbital inconsistencies that have previously pointed to the existence of a ninth planet ...

As Earthlings, most of us don’t spend a lot of extra time thinking about the gravity on our home planet. Instead, we go about our days only occasionally dropping things or tripping over furniture but ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Leonardo Testi and team investigate the initial conditions for planet formation in this special astronomy focus ...