From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

An alien flying in from space aboard a comet would look down on Earth and see that there is this highly influential and ...

Europa has a vast, saltwater ocean beneath its icy shell, with more than twice the amount of water in all of Earth’s oceans ...

While alien hunting is often associated with tinfoil hats and flying saucers, the Search for Extraterrestrial Intelligence ...

A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.

Physicists discovered that the famous 'Star Trek' spaceship got a lot right about designing a ship to jump from galaxy to ...

Could the first confirmed signal from an extraterrestrial source be less a hello than a goodbye? Astrophysicist David Kipping ...

As we say so long to the Soul, Kia’s SUV lineup grows with a new EV. Additionally, a redesigned range-topping Telluride ...

Could the tail of a comet possibly point towards the Sun and possibly signify something extraordinary? This is the question ...

Long before scientists discovered that other stars in the universe host their own planetary systems, humanity had ...

A mysterious object that a controversial scientist claims could be an alien battleship reached its closest point to Earth on ...

The faraway moon has 'a slushy high-pressure ice layer' similar to the melting Arctic that could hide extraterrestrial life.