A giant impact on the early Earth could have brought the building blocks of RNA to our planet, which new research suggests ...

The genre of science fiction has a lot to say about sleep. Here are 11 great stories, from TV, film and books.

These dust particles, finer than sand grains, originate from cometary tails and asteroid collisions, posing unseen risks to ...

That bond, and the transcendental encounters it makes possible, are threatened in Avatar: Fire and Ash. In Cameron’s third ...

About 470,000 “interesting” radio hits can still add up to zero. That was the practical outcome when astronomers aimed one of ...

When Leonard Nimoy flew to Yellowstone in August 1978 to shoot a scene for "Star Trek: The Motion Picture, " Mammoth Hot ...

In an earlier blog post about Christopher Nolan's latest blockbuster movie, Interstellar, I lauded the film for its ambition, ...

While many sci-fi hits have spawned extended franchises, these standalone works prove that science fiction movies can leave ...

"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

From a small island off the coast of Panama to the farthest reaches of space, the Smithsonian advanced our knowledge of the ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

When ET phones home, it could be his last call. Contrary to sci-fi movie depictions, our first contact might not be with a super advanced alien civilization at the height of power. Rather, Ivy League ...