Astrobiologists warn that NASA's current instruments may miss subtle signs of alien life, risking 'false negatives' in the ...

Researchers encountered a new species of octopus while scanning the ocean floor off the Galapagos Islands – and it may be ...

There are few ideas in science that capture the imagination quite like the search for extraterrestrial life. From Mars ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for ...

Astronomers using the JWST discovered massive “rock clouds” made of vaporized minerals on the distant planet WASP-94A b.

The CIA has been accused of attempting to use DNA submitted to 23andMe and Ancestry.com to aid in their hunt for aliens on ...

There is no universally accepted upper limit on interstellar flight speeds, but studies tend to converge around 19,000 miles per second (30,000 km/s) – 10% of the speed of light – as a realistic ...

Dr. Hal Puthoff claims the U.S. has recovered remains of four separate species of alien life from UFOs, citing people ...

A fascinating, unclassifiable orb found in the Gulf of Alaska is not an alien object, as some speculated, but the remains of ...

A well-known conspiracy theory (also seen in The X-Files) attests that aliens are in communication with the U.S. government, ...

Astronomers from Italy and Brazil have investigated a nearby red dwarf star known as Ross 318 and have discovered an ...

Astronomers using NASA’s James Webb Space Telescope have uncovered a rare world unlike anything in our solar system — a giant planet about the size of Saturn with surprisingly Earth-like temperatures ...