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The peregrine falcon is the fastest bird – and in fact the fastest animal on Earth – when in its hunting dive. Amazing BBC video here.
NASA’s Kepler space telescope has identified 219 new exoplanet candidates, 10 of which are near-Earth size and in the habitable zone of their star.
Future space outpost dwellers will need to grow plants for food and to recycle air and water. Here’s what scientists are learning about space farming from plants grown on the ISS.
See how sunlight falls on Earth’s surface during the solstices and equinoxes, and get a better understanding of why Earth’s tilt causes the seasons.
Radio telescopes have detected a 50-light-year filament of star-forming gas, zigzagging its way through the northern portion of the Orion Molecular Cloud.
Watch this video, showing Earth spinning under the sky of the southern Everglades in Florida.
The ice sheets are melting from both above and below, say scientists.
Awesome observation! Astronomers used the Hubble Space Telescope to measure the mass of a nearby white dwarf, as it bent the light of a more distant star.
Rip currents – sometimes called by the misnomer rip tide – flow outward from beaches, sometimes faster than humans can swim. Here’s what to do if you get caught in one.
New video from NASA about studies looking at the effects of space travel on the human body’s immune system.
Happening now in Denmark: “bright nights,” when the sun is never far below the horizon. Photographer and videographer Adrien Mauduit tells the story and provides stunning imagery.
Dawn mission specialists maneuvered the spacecraft into a special orbit, so that it could look down on Ceres’ famous bright spots from a position known to astronomers as opposition.
You’d expect sunglint from an ocean or other body of water. But the camera caught some glints over land as well. A new NASA video explains how scientists solved the mystery.
Cool short video of an early morning Eta Aquarid meteor over Mount Bromo in Indonesia, by Justin Ng. Take a few seconds and enjoy!
Noctilucent clouds – aka night-shining clouds – can be seen at high latitudes in summer, typically beginning for northern latitudes in late May. French photographer Adrien Mauduit in Denmark assembled his best 2016 photos into a wondrous video.
In 1898, a pair of lions ate 135 people at a railroad camp in Kenya. Scientists have analyzed microscopic wear on the lions’ teeth to find out why.
Not so very long ago or far away in astronomical terms, a near-miss between titanic galaxy clusters might have set into motion an immense wave of hot gas.
Just for fun, take 60 seconds to check out this new video from the guys at AsapSCIENCE.
New from NASA, a short video tour of unusual and beautiful clouds observed from space.
ScienceCast video from NASA about comets passing near Earth in 2017 and 2018, and about how scientists are studying them. Plus photos from our community!
Latest dusk for northerly latitudes
El Capitan on 1st day of summer