Astronomers just measured the mass of a free-floating planet without a star for the first time ...

While the Star Trek franchise as a whole is typically known for optimism, The Next Generation explored darker themes in many ...

While surveying distant worlds beyond our solar system, researchers unexpectedly obtained the first direct images showing ...

"Star Trek" remains a science fiction classic, and it's often been a cultural bellwether for our future. These are 10 times ...

Even though these characters only appeared in a single episode of a "Star Trek" series, they left an unforgettable mark on ...

Readers Edition. This is the (nearly) annual tradition of you, RPS readers, telling us where we went wrong in our annual ...

SANTA CRUZ — Xi Zhang, a professor of Earth and planetary science at UC Santa Cruz, has discovered that an exoplanet classed ...