In 2003, a tiny humanoid skeleton with bizarre features was found in the Atacama desert. It was so unusual that some even speculated it was of extraterrestrial origin.
UFO skepticism has become something of a religion with an agenda.
Are we looking for aliens in the wrong way?
Radio waves are fast, but not fast enough to reach us before a civilization goes extinct.
Neil deGrasse Tyson doesn’t give an F about all this UFO talk.
The former Blink-182 star is getting renewed attention after revelations of the Pentagon's UFO research program.
The discovery opens up the tantalizing possibility that on other planets, life forms that need only atmospheric gas to survive exist, too.
A key version of an element could be a sign of life elsewhere.
NASA already explained the "concretion" phenomenon when a similar image made the rounds in 2014.
Saturn's Enceladus has become a prime search location for alien life as potentially habitable waters appear to flow beneath its icy crust.
Dark surface features on Mars reinterpreted by scientists two years after NASA announcement.