An international team of astronomers reports the discovery of a new extrasolar world orbiting a nearby star known as HD 86728 ...

The red giant phase is pretty crazy. The star's outer atmosphere can expand to hundreds of times its initial size; some ...

The first rocky planet ever spotted orbiting a burned out star called a white dwarf offers a glimpse of what may be in store ...

"A Sign in Space" simulated an extraterrestrial communication to see whether humans are prepared for the real deal.

Astronomers say that the first rocky planet orbiting an extinct star called a "white dwarf" gives an idea of what the Earth ...

Astronomers listened for radio signals emanating from planets in the TRAPPIST-1 system, but found no evidence of any ...

Historical markers were once just for American history. But many now claim aliens have visited earth from outer space — and ...

Such ancient or non-human beings could reside somewhere inside the Earth or under the oceans, they say.

The idea that aliens may have visited the Earth is becoming increasingly popular. Around a fifth of UK citizens believe Earth ...

New battleground-state polling says that when it comes to a thus-far hypothetical battle against marauding extraterrestrials, ...

With the towering influence of classic science fiction movies like Metropolis, 2001: A Space Odyssey, and Star Wars, the ...

Astronomers will soon begin a search of 2,800 galaxies for signs of advanced alien civilizations using a radio telescope in ...