Donald Cline must have thought no one would ever know. Then DNA testing came along.
It’s surprisingly common for men to start losing entire chromosomes from blood cells as they age.
Before an evolutionary breakthrough, the tiny bones of ears were part of the jaw.
Ever since the French revolutionary’s assassination in a bathtub, doctors and scientists have wondered why he had to spend so much time in there to begin with.
Thirteen years ago, a young woman was found dead in small-town Texas. She was nicknamed “Lavender Doe” for the purple shirt she was wearing. Her real identity would remain a mystery until amateur genealogists took up her case.
A photographer began shooting unusual-looking coyotes on Galveston Island. They turned out to be descended from a very rare wolf species.
The much-maligned northern snakehead fish might be less menacing than it was made out to be.
A new way to revive rare breeds—and perhaps even endangered birds—from frozen cells
23andMe’s 4-million-person database reveals how many people are living with undetected chromosomal anomalies.
Tools meant to reunite families are now being “used essentially to get families to put their members in jail.”
As a cancer patient, she had received cord-blood cells from an anonymous donor. The DNA from those cells led her to him.
A new technique can preserve the organ outside the human body for at least 27 hours.
A tiny ear bone from more than 4,000 years ago is shaping the story of migration and heritage in India.
Urinary-tract infections were once easy to cure. Then they started becoming resistant to antibiotics.
In Australia, one cat seems to have destroyed an entire bird sanctuary.
Using DNA, genealogists finally confirmed the identity of the “Belle in the Well,” found 38 years ago.
Ticks use their saliva to create a “lake of blood” inside their hosts.
A growing body of research has documented the health risks of getting certain breeds fixed early—so why aren’t shelters changing their policies?
When a New York woman gave birth to twins after IVF, neither baby was related to her, or to each other.
The tiny population of wolves on Isle Royale descended from a much larger group. What if that helped doom them?
The average hospitalized patient endures 350 alarms each day.