Comet explosions did not end the prehistoric human culture, known as Clovis, in North America 13,000 years ago, according to research published in the journal Geophysical Monograph Series. Researchers from …
Nanodiamonds are forever: Did comet collision leave layer of nanodiamonds across Earth?
Most of North America’s megafauna — mastodons, short-faced bears, giant ground sloths, saber-toothed cats and American camels and horses — disappeared close to 13,000 years ago at the end of …
Early growth of giant galaxy, just 3 billion years after the Big Bang, revealed
Astronomers have for the first time gotten a glimpse of the earliest stages of massive galaxy construction. The building site, dubbed “Sparky,” is a developing galaxy containing a dense core …
Scientists grow an organ in an animal from cells created in lab
Laboratory-grown replacement organs have moved a step closer with the completion of a new study. Scientists have grown a fully functional organ from transplanted laboratory-created cells in a living …
A NEW PLANET
An international team of astronomers has discovered a planet slightly larger than Jupiter that orbits a star 500 light years from Earth. A super-duper telescope was not even required; they …
China’s Wall Less Great In View from Space
It has become a space-based myth. The Great Wall of China, frequently billed as the only man-made object visible from space, generally isn’t, at least to the unaided eye in …