Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

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

If aliens from space can die and mourn their dead then they likely invented gods to worship. Because they missed their loved ...

Since its debut, "Star Trek" has introduced decades worth of new characters, locations, and alien races, but only a few ...

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

Planets that once lived only in pulp novels and movie concept art are now turning up in real data. Astronomers are not just ...

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

In a blow to anyone dreaming that complex life may exist elsewhere in the universe, a new study suggests we're unlikely to ...

Earth is home to creatures so strange, beautiful, and bizarre that it’s easy to forget we share the planet with them. These ...

Astronomers investigating 3I/ATLAS suggest its unique trajectory allows interstellar observers to detect Earth's industrial ...

Need a reminder of what's up in the farthest frontier of 'Star Trek' before 'Starfleet Academy'? Class is now in session.