This summer, exoplanet science—the study of planets orbiting stars beyond our sun—took a big step forward. Reports of helium ...

Beta Pictoris b appears to have an aurora caused by a powerful magnetic field. If confirmed, it would be the first such field ...

Spacecraft propulsion traditionally relies on volatile fuels and separate, bulky systems for different types of maneuvering ...

A US startup is developing a drone propulsion platform designed to improve speed, range, payload capacity and noise levels.

Ray Gunn arrives on Netflix December 18 -- and nearly every technology in Brad Bird’s towering Art Deco city is real. From maglev elevators that eliminate cables to eVTOL aircraft already in FAA ...

Balloons and satellites account for nearly 85% of the objects in the Pentagon’s resolved UFO investigations. Some UFOs are also undisclosed aircraft belonging to secret military or intelligence units, ...

NASA’s Roman Space Telescope will test powerful new technology that could make faint exoplanets far easier to image directly.

In the brine channels that thread through Arctic sea ice, it survives temperatures that would freeze most bacteria solid.

If ancient alien explorers ever traipsed through Earth's cosmic neighborhood, could it be possible they left behind some interstellar litter on the moon?

To travel between solar systems, a spacecraft would need extremely sophisticated – if not impossible – technology.

The idea that life on Earth began elsewhere in space has long been controversial, but it’s now gaining traction.

From the Star Wars spin-off The Mandalorian to the classic series Star Trek: The Next Generation, these are the best sci-fi ...