Earth-sized exoplanet discovered around ultracool dwarf star

Astronomers have discovered a new Earth-sized exoplanet orbiting the ultracool dwarf star SPECULOOS-3. But any atmosphere it had is probably long gone.

Stargazing in national parks around the world

Stargazing in national parks ... yes! Increasing light pollution in the United States makes national parks some of the last dark refuges.

How to see the International Space Station in your sky

The International Space Station has been orbiting our planet since 1998. Here's how to spot the ISS soaring overhead in your nighttime sky.

Juno images of Europa reveal a complex, active surface

NASA has released some images of Europa, the ocean moon of Jupiter. They provide new clues about the moon's ice shell and other intriguing surface features.

New evidence for Planet 9 at the fringes of our solar system

Researchers said the bunching of small objects beyond Neptune fits perfectly with the existence of a Planet 9 hiding on the outskirts of our solar system.

Mars craters pop in new images from ExoMars

Mars craters pop in these new images showcasing the diversity of impacts across the red planet. ESA's ExoMars mission took these images. See them here!

Astronomers find 60 Dyson sphere candidates, among millions of searched stars

Two teams of astronomers in Europe say they have found 60 Dyson sphere candidates. Are they alien megastructures or a previously unknown natural phenomenon?

Possible atmosphere on rocky exoplanet found for 1st time

NASA's Webb telescope has tentatively detected an atmosphere on rocky exoplanet 55 Cancri e, a hot super-Earth world only 41 light-years away.

Rare neutrinos detected from under Antarctic ice

Scientists extract 7 rare neutrinos - energetic tau neutrinos - from about 10 years of data from the IceCube observatory at the South Pole.

Plunge into a black hole in this new video

Plunge into a black hole in this new video from NASA. See what it would look like to cross the event horizon of a supermassive black hole.