Scientists have discovered more than 6,000 planets beyond our solar system. What if some of them aren't planets at all, but ...

NASA has temporarily stopped part of its investigation into possible signs of life on a faraway planet, after two years of ...

We live in a very exciting time: answers to some of the oldest questions humanity has conceived are within our grasp. One of ...

Discovered by volunteer scientists, this alien planet is out of synch with its siblings ...

Public fascination with alien visitors has surged again after a cryptic response from the Central Intelligence Agency about ...

Explore how astronomers aim to identify signs of alien life by analysing the atmospheres of distant exoplanets through ...

Since the Kepler Space Telescope began its prowl for exoplanets in 2009, it has uncovered a strange pattern among these alien ...

We live in a very exciting time: answers to some of the oldest questions humanity has conceived are within our grasp.

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

3I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar ...

If the soapy antics and teen drama of "Gossip Girl" are your cup of tea, these 15 shows offer up much of the same in ...