The record-breaking winds are circling the nearby "puffy" exoplanet WASP-127b, and are traveling six times faster than the ...

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

What if there are thousands of alien empires in the Milky Way, each spanning a few to maybe tens of star systems, chatting, trading, sometimes shooting or ignoring each other politely? And if so ...

Aliens have captured the imagination of humans since, well, forever, from blockbusters to late-night conspiracy theories.

With a speed of 9 km per second (33 000 km/h), this is the fastest jetstream of its kind ever measured in the Universe ...

ESA’s decade-long Milky Way Gaia mapping mission still has tons of data to release over the next few years. Expect surprises.

In Earth's upper atmosphere, a fast-moving band of air called the jet stream blows with winds of more than 275 miles (442 km) ...