
Tech
A new solar-powered gel purifies water in a flash
The unusual, fruit-inspired structure of this material provides quick filtration that could satisfy people's daily water needs.
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The unusual, fruit-inspired structure of this material provides quick filtration that could satisfy people's daily water needs.
Equinoxes and solstices mark the maximums, minimums and mediums of hours spent in daylight.
A probe going through a wormhole should be able to send messages home before such a tunnel forever closes, a new computer model finds.
Calculus is math that deals with curves, from their changing slopes to the areas they enclose.
The Cat’s Eye nebula is one of the most complex of its kind. A 3-D model now reveals the source of that complexity.
A pole is either of two opposite ends of a molecule, magnet, battery, planet or other object.
The Voyager 2 spacecraft took the first pics of Neptune’s rings 33 years ago. Now, NASA’s James Webb telescope is providing a more detailed view of them.
Scientists have a good understanding of the laws that make our universe tick. But they still don’t quite know how it began — or will end.
The spacecraft’s intentional crash into an asteroid changed the space rock’s orbit by more than 30 minutes — far more than expected.
The hypothetical moon is being called Chrysalis. It could have helped tip the planet over before getting shredded to form Saturn’s rings.