While imperceptible to humans, these tiny delays are significant for experiments that rely on pulsars as ultra-precise cosmic ...

The proliferated architecture satellites are built by SpaceX and Northrop Grumman. All of them have reached orbit aboard ...

Of all the various subgenres attached to the sci-fi domain, alien invasion flicks come off as timeless favorites. Here are ...

NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts ...

On Earth, deep-sea vents may have given rise to the planet’s first life. But nothing of the sort seems to be happening at the ...

Avi Loeb has been keeping tabs on the mystery space object for months, tracking all the anomalies he's found in its behaviour ...

American space agency is on the search for the perfect food system for Mars missions, launches the Deep Space Food Challenge: ...

An alien comet is slipping away forever. For a few hours only, a livestream will show its final cosmic goodbye.

From the earliest days of human spaceflight, astronauts have described moments when something outside the window did not ...

A Mars spacecraft has now been AWOL for more than a month. But NASA hasn't given up hope of restoring contact with the MAVEN ...

Consciousness could be a fundamental part of reality, like gravity or matter, according to this controversial theory.

NASA’s SpaceX Crew-11 mission returned safely to Earth after 167 days in orbit, completing hundreds of hours of research ...