NASA Spacecraft Buzzes Earth on Way to Distant Asteroid Bennu – Space.com

A NASA asteroid-sampling probe has just said goodbye to Earth for the second time. The OSIRIS-REx spacecraft zoomed past our planet this afternoon (Sept. 22), a little over a year after launching on a mission to the big near-Earth asteroid Bennu. The probe’s closest approach came at 12:52 p.m. EDT (1752 […]

Dinosaur dung reveals giant plant-eaters ate meat – Washington Post

Dinosaur dung reveals giant plant-eaters ate meat – Washington Post

A knobby crustacean shell embedded in fossilized dinosaur dung. (Karen Chin/Denver Museum of Nature & Science) Giant herbivore dinosaurs, despite a reputation as strict plant-eaters, did not always stick to their greens. Some of them ate crustaceans, according to new research published Thursday in the journal Scientific Reports. Paleontologists discovered bits of animal shell embedded in fossilized dung. “We […]

Study Suggests Neanderthals Enjoyed Long Childhoods – NPR

Study Suggests Neanderthals Enjoyed Long Childhoods – NPR

Skeleton of the Neanderthal boy recovered from the El Sidrón cave (Asturias, Spain). Paleoanthropology Group MNCN-CSIC hide caption toggle caption Paleoanthropology Group MNCN-CSIC Nasty, brutish and short. Until about the last decade or so, that’s how many of us were accustomed to thinking about Neanderthal life. But a lot has changed since then, not least […]

An Accident On The Moon, Young Lawyers To The Rescue – NPR

An Accident On The Moon, Young Lawyers To The Rescue – NPR

An annual space law moot court competition imagines a future legal case set in space, where issues of liability and sovereignty can get extra complicated. Stocktrek Images/Getty Images hide caption toggle caption Stocktrek Images/Getty Images An annual space law moot court competition imagines a future legal case set in space, where issues of liability and […]

Most Powerful Cosmic Rays Come from Galaxies Far, Far Away – Space.com

The highest-energy cosmic rays to bombard Earth apparently come from galaxies far, far away, a new study finds. Cosmic rays are made of atomic nuclei of elements ranging from hydrogen to iron, and zip through outer space at speeds approaching that of light. Analyzing them gives scientists a way to examine matter from […]

Scientists just discovered the first brainless animal that sleeps – Washington Post

A Cassiopea jellyfish rests upside-down on black sand and pulses, rhythmically contracting and relaxing its bell. At night, Cassiopea jellies pulse less frequently — a clue that they’re sleeping, researchers report. (Photo by JanEaster.com) It was well past midnight when Michael Abrams, Claire Bedbrook and Ravi Nath crept into the Caltech lab where they were keeping […]

Updated: First big efforts to sequence ancient African DNA reveal how early humans swept across the continent – Science Magazine

The Khoe-San in Southern Africa split off early from other Africans, but carry DNA from East African herders. By Elizabeth PennisiSep. 21, 2017 , 12:00 PM *Update, 21 September, 12 p.m.: In the first ever large-scale study of ancient African genomes, researchers have found clues to how early farmers and hunter-gatherers swept across the continent thousands of years […]

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