A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

A new study reveals that tiny fragments of Earth's atmosphere are transported to and absorbed by the moon via gusts of solar ...

Saturn’s largest moon has long looked like a frozen time capsule of early Earth, but a new set of measurements has upended ...

For decades, the search for life beyond Earth has focused on distant exoplanets and the rusty plains of Mars. Now, a small ...

An astronaut on the ISS photographed a "lunar halo" over the Indian Ocean, revealing ice and rare optical phenomena from ...

It's one of life's biggest questions - are we alone in the universe? Now, one of Britain's top space scientists has declared she is 'absolutely convinced' there are aliens out there ...

Something very significant has been happening in plain sight, and almost no one seems to be noticing. Over the past few years, there have been televised congressional hearings, repeated news segments ...

If aliens are out there, why haven’t we heard from them? That’s the question at the center of Pop Mech’s new story, “Aliens Probably Exist—But They’re Staying Silent For a Reason, NASA Scientist ...

Astronauts on the Moon (like Harrison H. Schmitt, pictured collecting lunar samples in 1972) could one day live in lunar habitats made of “mooncrete.” Credit: NASA/JSC, Public Domain NASA’s Artemis ...

Is there an Outer SpaceX? With 3I/ATLAS set to fly by Earth in just over a week, experts continue to speculate over its origins. Harvard Scientist Avi Loeb believes that if aliens, the comet wouldn’t ...