The metallic asteroid Psyche has mystified scientists because it is less dense than it should be, given its iron-nickel composition. Now, a new theory could explain Psyche’s low density and metallic surface.
When a colossal space rock came crashing down 66 million years ago onto what is now the Yucatan Penninsula in Mexico, it triggered widespread changes on Earth and abruptly ended the reign of the dinosaurs. Now, researchers are focusing on learning the extent of the asteroid’s destructive might and the immediate aftermath at ground zero, a location now known as the Chicxulub crater.
In the story of our species, Africa is known as the cradle of humanity. Somewhere on this vast continent, hundreds of thousands of years ago, a group of early humans is thought to have diverged from the others, ultimately spreading across Africa and the rest of the world.
Scientists find 257 prints that were preserved in wind-driven sand 80,000 years ago
In an instant, the Chicxulub impact forever changed life on Earth—blasting out a huge crater, vaporizing and flinging up tons of rock, and devastating plant and animal life.
The mineral doesn’t naturally occur anywhere on our planet
Rediscovery of missing finger bone shows slender fingertips unlike knobbed Neanderthal finger bones
A new genomic study tries to see if there’s a correlation between artificial cranial deformation and migration following the collapse of the Roman Empire.
Hundreds of skeletons are scattered around a site high in the Himalayas, and a new study overturns a leading theory about how they got there.
A team of researchers from Germany, Austria and Australia has found traces of the radioactive isotope iron-60 — the tell-tale signature of a supernova explosion — within fresh snow in Antarctica.
