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

The most likely way we will discover life on a distant exoplanet is by discovering a biosignature. This can be done by ...

Photosynthesis changed Earth in powerful ways. When photosynthetic organisms appeared, it led to the Great Oxygenation Event.

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 ...

Warning! Contains Spoilers For Action Comics #1069! DC Comics has promised to reveal a pivotal tale in the early history of ...

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

The mysterious noises coming from the Mariana Trench have finally been explained — after fears that the spooky sounds were an ...