Rogue planets — worlds that drift through space alone without a star — largely remain a mystery to scientists. Now, ...

Astronomers believe the free-floating planet is around 22 percent the mass of Jupiter and lies 3,000 parsecs from the Milky ...

Scientists spot ‘rogue’ planet drifting through space - Most planets are part of a star system of their own – but some go ...

Astronomers have finally weighed a wandering “rogue” planet, uncovering a Saturn-mass world flung into the galaxy after a dramatic planetary breakup.

The year is 2371. An Intrepid-class starship, stranded 70,000 light-years from Earth, is making its way back home through the Delta quadrant of our galaxy, a journey that should take around 75 years.

The concept of a space elevator, a consistently popular topic in works of science fiction, has been around since at least the late 19th century. The basic idea is to allow us to reach space by using a ...

Joan E. Solsman was CNET's senior media reporter, covering the intersection of entertainment and technology. She's reported from locations spanning from Disneyland to Serbian refugee camps, and she ...