A team of physicists has devised a simple way to measure the duration of a bizarre phenomenon called quantum tunneling.
President Donald Trump took to Twitter Wednesday (Aug. 5) to announce that he brought NASA back from being "Closed & Dead."
Tens of thousands of planets like Earth and Neptune might orbit the giant black hole at the center of the Milky Way.
Early Mars may not have been quite the warm, wet paradise scientists have hoped for — not if the valleys scarring its surface work the same way as their counterparts here on Earth do.
SpaceX's Demo-2 test flight ended in the Gulf of Mexico today, about two months since its launch opened the era of commercial crewed spaceflight.
NASA's Mars 2020 Perseverance rover entered "safe mode" after a successful launch Thursday (July 30), but should recover, NASA says.
A spacecraft is only as strong as its power source, which is why when NASA was designing its Perseverance Mars rover, the agency turned to radioactive plutonium.
NASA's Mars Perseverance launch, set for Thursday, July 30, will send a new rover to the Red Planet to search for ancient habitable environments and microbial life.
Here are all the major milestones of the Mars 2020 mission to the Red Planet, from launch to landing.
London's Natural History Museum is sending a piece of a Martian meteorite back to the Red Planet with the Perseverance rover.
An observatory affiliated with NASA's quest to identify potentially dangerous asteroids spotted something equally speedy but not quite as natural: a spacecraft bound for Mars.
The brightest comet to appear in Northern Hemisphere skies in nearly a quarter of a century will soon be ending its run as a naked-eye object.
The comet NEOWISE is visible in the dawn sky right now, but photographers are facing a new challenge when they try to capture it: the SpaceX fleet of Starlink satellites.