WASHINGTON — An Earth-sized planet in its star's habitable zone has been discovered in data from NASA’s Kepler space telescope. NASA says the newly found exoplanet is the closest to Earth in size and ...

An extraordinary discovery has recently shaken the world of science. An uncommon isotope, previously unknown to our realm of understanding, has been found within an ancient rock. The properties of ...

AMHERST, Mass. — While popular culture commonly depicts extraterrestrial life as little green men with large, oval-shaped heads, it’s most likely that if there is life beyond our planet and within our ...

Is it the invasion of the genome snatchers? Just in case the idea of aliens walking around in human skin suits wasn’t frightening enough. An outlandish study asserts that aliens might have abducted us ...

Humans should look to planetary alignments outside of the solar system when searching for signatures of extraterrestrial communications, scientists say. The nascent search for radio transmissions from ...