Green bank telescope makes arecibo connection to image asteroid
Like a pinch-hitter driving in the game-winning run, the National Science Foundation's Green Bank Telescope (GBT) stepped up to the plate to help astronomers at the Arecibo Observatory study and image a rapidly ...
NASA seeks help to save Earth from killer asteroids
With nothing less at stake than the future of planet Earth, NASA has decided to crowdsource ideas to detect and track asteroids that have the potential to wipe out life as we know it.
Australian tsunami database reveals threat to continent
Australia's coastline has been struck by up to 145 possible tsunamis since prehistoric times, causing deaths previously unreported in the scientific literature, a UNSW Australia study has revealed.
Curiosity spies asteroids from Mars surface for the first time
(Phys.org) —A new image from NASA's Curiosity Mars rover is the first ever from the surface of Mars to show an asteroid, and it shows two: Ceres and Vesta.
Video evidence of 26 atom-bomb-scale asteroid impacts since 2000
At a press conference on Tuesday at the Museum of Flight, three prominent astronauts supporting the B612 Foundation presented a visualization of new data showing the surprising frequency at which the Earth ...
Team builds world's first CubeSat microgravity laboratory
(Phys.org) —A dozen astronauts have walked on the moon, and several rovers have been piloted on Mars, giving us a good understanding of these off-world environments. But when it comes to asteroids, scientists ...
Vitamin B3 might have been made in space, delivered to Earth by meteorites
Ancient Earth might have had an extraterrestrial supply of vitamin B3 delivered by carbon-rich meteorites, according to a new analysis by NASA-funded researchers. The result supports a theory that the origin ...
Astronauts to reveal sobering data on asteroid impacts
This Earth Day, Tuesday, April 22, three former NASA astronauts will present new evidence that our planet has experienced many more large-scale asteroid impacts over the past decade than previously thought… ...
Scientists reconstruct ancient impact that dwarfs dinosaur-extinction blast
(Phys.org) —Picture this: A massive asteroid almost as wide as Rhode Island and about three to five times larger than the rock thought to have wiped out the dinosaurs slams into Earth. The collision punches ...
Team finds regolith of small asteroids formed by thermal fatigue
The centimeter-sized fragments and smaller particles that make up the regolith—the layer of loose, unconsolidated rock and dust—of small asteroids is formed by temperature cycling that breaks down rock ...
First ring system around asteroid: Chariklo found to have two rings
Observations at many sites in South America have made the discovery that the asteroid Chariklo is surrounded by two dense and narrow rings. This is the smallest object by far found to have rings and only ...
Big asteroid will eclipse bright star Thursday
Skywatchers, get ready to see a rare vanishing act—and don't blink.
Be an asteroid hunter in NASA's first Asteroid Grand Challenge
NASA's Asteroid Data Hunter contest series will offer $35,000 in awards over the next six months to citizen scientists who develop improved algorithms that can be used to identify asteroids.
Small asteroid will pass earth safely on Thursday
(Phys.org) —An asteroid about 25 feet (8 meters) across will safely pass Earth at about 1:21 p.m. PST (4:21 p.m. EST) today, March 6, approaching us six times closer than the moon.