What created this huge crater in Siberia?
What is it with Russia and explosive events of cosmic origins? The 1908 Tunguska Explosion, the Chelyabinsk bolide of February 2013, and now this: an enormous 80-meter wide crater discovered in the Yamal ...
Where does all the gold come from?
Ultra high precision analyses of some of the oldest rock samples on Earth by researchers at the University of Bristol provides clear evidence that the planet's accessible reserves of precious metals are the ...
Ancient crater points to massive meteorite strike
The discovery of an ancient ring-like structure in southern Alberta suggests the area was struck by a meteorite large enough to leave an eight-kilometre-wide crater, producing an explosion strong enough to ...
Meteorite material born in molten spray as embryo planets collided
Asteroids may be a byproduct of planet formation rather than planetary building blocks, according to a recent paper in Nature.
Research shows collision created Chelyabinsk asteroid
Mapping the demise of the dinosaurs
About 65 million years ago, an asteroid or comet crashed into a shallow sea near what is now the Yucatán Peninsula of Mexico. The resulting firestorm and global dust cloud caused the extinction of many land ...
Are you a Martian? We all could be, scientists say -- and new instrument might provide proof
Are we all Martians? According to many planetary scientists, it's conceivable that all life on Earth is descended from organisms that originated on Mars and were carried here aboard meteorites. If that's the ...
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 ...
Study shows most water in lunar soil generated by solar wind, not result of comet or meteorite impacts
Team uncovers secrets of Mars' birth from unique meteorite
As NASA prepares to launch a new Martian probe, a Florida State University scientist has uncovered what may be the first recognized example of ancient Martian crust.
Researchers call for rethinking efforts to prevent interplanetary contamination
Two Washington State University researchers say environmental restrictions have become unnecessarily restrictive and expensive—on Mars.
Power behind primordial soup discovered
(Phys.org) —Researchers at the University of Leeds may have solved a key puzzle about how objects from space could have kindled life on Earth.
Evidence further suggests extra-terrestrial origin of quasicrystals
(Phys.org) -- Results from an expedition to far eastern Russia that set out to find the origin of naturally occurring quasicrystals have provided convincing evidence that they arrived on Earth from outer ...