NASA engineers have brought a set of obsolete thrusters back from the dead on the Voyager 1 probe, just before losing their ...

Where does the Sun end and the Solar System begin? The answer is not clear-cut. The Sun’s atmosphere – the corona – extends ...

JWST uncovers unexpected behavior in polar lights on Jupiter, while a Mars rover captures the first image of an aurora.

A legendary actor has taken a surprising turn to the right and is calling on President Trump to make Pluto great again.

Could Life Exist Beyond Earth? will take you on an interstellar adventure like no other. Rocketing you from Earth’s most ...

NASA just brought Voyager 1’s dead thrusters back to life—right before the spacecraft goes quiet for nearly two years.

Jupiter conjunction on May 16th to Mercury’s evening appearance on May 22nd, this week’s sky is packed with celestial events. Watch Mars pass through the Beehive Cluster, spot Asteroid 4 Vesta, and ...

It isn’t easy to figure out how the Earth was built, because it happened 4½ billion years ago, and no one was there to watch. So scientists have had to look at what the Earth looks like now and at all ...

A glass bead retrieved by China's Chang'e-5 lunar mission is offering a glimpse into the moon's hidden interior and violent past. Witness live views of Earth from the International Space Station as it ...

Scientists directed NASA’s Perseverance rover to take an image of the Martian sky after a solar storm in hopes that an aurora ...

Astronomers didn’t even know sub-Neptunes existed until NASA’s Kepler mission uncovered them over the past decade. Although a ...

NASA's Europa Clipper, en route to Jupiter’s moon Europa, captured infrared images of Mars during a gravity-assist flyby to ...