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Patient with Transplanted Pig Kidney Leaves Hospital for Home
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Surgeons Transplant Pig Kidney into a Patient
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On the Trail of the Denisovans
DNA has shown that the extinct humans thrived around the world, from chilly Siberia to high-altitude...
U.S. Moon Landing: How to Watch and What to Know
If all goes as planned, Odysseus, a private spacecraft, will touch down on the lunar surface...
Alabama Says Embryos in a Lab Are Children. What Are the Implications?
A ruling by the state’s Supreme Court could change common practices at fertility clinics in the...
The asteroid that wiped out dinosaurs didn't impact bird evolution: new study
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What is a species, anyway?
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C.D.C. Considers Ending 5-Day Isolation Period for Covid
Americans may be advised that it’s safe to return to regular routines after one day without...
The Dogs That Live Longest, by a Nose
Small dogs with prominent noses live longer than bigger, flat-faced canines, a new study suggests.
A Famous Black Hole Gets a Second Look From Astronomers
Repeated studies of the supermassive black hole in the galaxy Messier 87 confirm that it continues...
A Bird’s-Eye View of a Technicolor World
Scientists have devised a new video system that reveals how animals see color, and us.
An Ancient Woolly Mammoth Left a Diary in Her Tusk
SKIP ADVERTISEMENTScientists are looking at layers of minerals left behind on mammoth tusks to estimate where...
Mystery of the Coin That Shouldn't Exist
SKIP ADVERTISEMENTScientists recently analyzed a Peruvian 10-cent piece with an unexplained origin.A Peruvian dinero bore the...
How to Create a Black Hole Out of Thin Air
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