This brutal exoplanet is the most hellish and easily the most extreme ever discovered.
A notable rare metallic asteroid is hiding between Mars and Jupiter, and it's worth more than the entire global economy.
Nobody had ever seen these bright, transient luminous events dancing across alien skies – until now.
Some people, including celebrities, are starting to speak more freely about their opinions or even personal experiences with UFOs.
Our universe may have formed in the aftermath of a far more ancient universe.
A number of liquid bodies have been found on Mars, raising the tantalizing possibility that liquid water could exist on the Red Planet long believed to...
For the first time in human history, we're regularly identifying planets outside of our solar system and even identifying traits.
As it turns out, the “unidentified flying object” hovering over the Garden State was quite identifiable, and common – it was a simple Goodyear blimp.