The ocean is thought to be be billions of years old and may contain as much as three times the volume of all the liquid water on Earth.
Build-ups of toxic gases in the atmospheres of many exoplanets in the "habitable zone" could limit the "safe zone" in which life outside our solar system could actually exist.
NASA's James Webb Telescope will open up an entirely new avenue for searching for extraterrestrial life.
Adviser Peter Navarro said that the tariffs were being levied strictly because of the flow of unauthorized immigration, but Trump appeared to contradict his own official.
The scientist said the evidence for UFOs of alien origin visiting Earth was "overwhelming."
Border enforcement authorities announced Tuesday that more than 76,000 migrants crossed the U.S. border with Mexico without authorization last month.
A recently arrived alien intelligence is all around us, but don't run for the hills just yet—for all its smarts, it's actually pretty dumb.
Silvano Colombano suggests that extraterrestrials may not be carbon-based organisms.
Google is today celebrating scientists' attempt to communicate with intelligent life that may be lurking beyond our planet.
Multiple pilots reported fast-moving bright lights flying alongside their aircraft.
Sky survey vastly expands the number of FRBs—radio signals produced by hugely energetic but unknown sources.
"The decision to vacate was based on the logistical challenges associated with protecting personnel," AURA said.
Some think aliens or a solar superflare is to blame, but don't worry, they're almost definitely wrong.
The Miami Herald newspaper endorsed a Republican House candidate for her "working class agenda," but who also believes she was abducted by aliens.
Is the briny sludge teeming with tiny organisms?
There may have been two periods when conditions on the lunar surface were sufficient to support simple lifeforms.
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?