We don't know what we're dealing with.

In its final year, Cassini plunged where no spacecraft had plunged before, down in the space between Saturn and its rings. Again and again it dove, for a total of 22 orbits. In the data collecting during those breakneck dives, astronomers have just

Alpha Centauri is the closest star system to us, at 4.37 light-years (about 25 trillion miles) away. In 2016, astronomers discovered an exoplanet orbiting one of the three stars in the Alpha Centauri system.

You can now visualise our climate crisis for almost anywhere on Earth, thanks to a stunning interactive tool that will make you see red in every possible way.

Our search for extraterrestrial intelligence requires spanning distances so vast, sometimes it may feel even worse than finding a needle in a haystack.

If you've ever felt your eyelids droop for just a fraction of a second during some mundane task — like staring at a computer screen or driving down the highway — you've experienced a phenomenon known as "microsleep."

Last week, Curiosity made its strongest detection of methane on Mars yet. Its laser spectrometer instrument registered a methane spike of 21 parts per billion by volume (ppbv) in the Gale Crater, a region the rover has been exploring since it lande

SpaceX is gearing up for its busiest Falcon Heavy megarocket launch yet and now, thanks to the U.S. Air Force, we know what the epic rideshare looks like. When the next SpaceX Falcon Heavy launches on Monday (June 24) from NASA's historic Pad 39A at the Kennedy…

SpaceX’s third Falcon Heavy launch is ready to wow crowds once more with a synchronized side booster landing at Cape Canaveral and a center core recovery attempt more than 1200 km (750 mi) off the coast of Florida. Based on the fact that Falcon Heavy’s STP…

SpaceX has soared through the first major half of its third Falcon Heavy launch, heading through ignition, liftoff, recovery, and orbital insertion with relative ease. However, Falcon Heavy center core B1057 sadly suffered an unknown anomaly during landing…

Some 12 hours after Falcon Heavy successfully completed what Elon Musk described as the SpaceX’s “most difficult launch ever”, the CEO took to Twitter to offer some insight into the mission’s only sad note – an unsuccessful center core recovery attempt. The…

A famous result in psychology says that people fail to intervene when they see people in violent situations, but a review of CCTV footage finds that isn't true

The stars are ours.

Dragonfly mission will search for the primordial ingredients of life

Every now and again, our radio telescopes capture a mystery. A single flash, as powerful in radio wavelengths as half-a-billion Suns, condensed into a burst that lasts just a few milliseconds at most. Now, for the very first time, astrophysici