What if humanity’s first unmistakable sign of alien technology is not a greeting, but a distress flare? That possibility sits at the center of a growing idea in technosignature research: the signals ...

Renewed attention is falling on the base after the disappearance of retired Air Force Maj. Gen. William Neil McCasland, a ...

Scientists have uncovered a hellish “lava world” where temperatures soar to a blistering 2,700 degrees Fahrenheit — hot enough to melt rock into a churning ocean of magma and fill the air with the ...

Oxygen has been the most important gas in our search for life among the cosmos thus far. On Earth, we have it in abundance ...

In a breakthrough that sounds ripped straight from a Ridley Scott flick, researchers in Germany have managed to freeze brain ...

The molten planet, with an atmosphere rich in sulfur-bearing gases, is unlike anything astronomers have ever smelled.

Astronomers have spotted a planet orbiting a star in our neighborhood of the Milky Way galaxy that presents a unique ...

New research shows many people vastly underestimate other people's beliefs in extraterrestrial life. Is social stigma keeping ...

Scientists believe turbulent “space weather” around distant stars could be scrambling potential alien signals before they ...