Tiny life forms tucked into debris from an asteroid hit could catapult to other planets—including Earth—and survive, a new Johns Hopkins University study finds. The work demonstrates that a certain ...

A galaxy made almost entirely of dark matter, an elusive form of matter that doesn’t interact with light, was spotted by Hubble 250 million light-years from Earth.

A famously resilient bacterium may be tough enough to survive one of the most violent events imaginable on Mars. In ...

Shaped by a different biology or culture, other intelligent civilisations – if they’re out there – might understand the universe in a completely different way than we do. Physicist Daniel Whiteson exp ...

A team of scientists says it's possible to use tiny ripples in space and time, or gravitational waves, to measure the rate at ...

Last year, our most detailed map of the universe yet suggested our understanding of dark energy has been wrong for decades. The shock result is reigniting the search for a better cosmic story ...

Few storytelling devices have served Star Trek as reliably—or as imaginatively—as time travel. From its earliest days, the ...