Ours would be the normal story of imperial powers rising and falling on Planet Earth — nothing new there, of course — if it weren’t for one thing: the ...

Earth is far from a stationary planet; it spins on its axis, orbits the sun, journeys with the solar system around the Milky Way, and moves through the expanding universe in a complex, layered dance ...

A free-floating planet has been seen devouring astonishing amounts of matter, hinting that stars and planets are more alike ...

Astronomers have observed a massive growth rate in a free-floating rogue planet that’s gobbling up gas and dust at a record rate of 6.6 billion tons per second.

Astronomers have identified an enormous "growth spurt" in a so-called rogue planet. Unlike the planets in our solar system, ...

A young rogue planet about 620 light-years away from Earth has experienced a record-breaking "growth spurt," hoovering up ...

DES MOINES, Iowa (AP) — The superintendent of Iowa’s largest school district, who was detained last week by immigration ...

A comet from another star system is swinging by Mars as a fleet of spacecraft trains its sights on the interstellar visitor ...