Strange signals picked up by the radio telescope pointed towards the stars in Parkes, Australia have a rather more mundane origin.
Among eight new Kepler planets found are the two most Earth-like to date, with possible conditions for the propagation of life.
A meteorite from Mars that landed on Earth in 2011 contains a carbon compound that is biological in origin.
In the latest trailer for the upcoming new "X-Files" series, Mulder asks, "Are you ready for this, Scully?"
From 1902's "A Trip to the Moon" to "Guardians of the Galaxy," take a look at how our portrayal of aliens has changed on the big screen.
By joining your machine to others around the world, you could help eradicate diseases or find alien life.
The Square Kilometre Array had detected a tiny signature from 5 billion light years away that heralds great finds in the future.
Using a series of photos captured by the Dawn spacecraft, along with the addition of a background star field, NASA has created a fun trip around Ceres.
The "Sword of Heaven" is a blade fit for a space samurai. The elegant katana blade is made with metal from an ancient meteorite.
A giant planet 11 times the mass of Jupiter has been directly photographed, the closest such planet to Earth we've seen with our own eyes.