Two-headed snakes sound like a story out of mythology, but it rarely happens in nature. Read here to learn more about why this happens.

Snakes have intrigued scientists for centuries. Studying these serpents has offered clues into their bodies, venom chemistry, ...

Scientists are studying Nectophrynoides frogs that give birth to live young. This unique reproductive method helps them ...

Clare Kilcullen always wanted to be a mother, but when she went through early menopause in her 20s, she wasn't sure how that would happen. "[I thought] it would probably be an egg donor, but then in ...

Only two weeks after fertilization, the first sign of the formation of the three axes of the human body (head/tail, ventral/dorsal, and right/left) begins to appear. At this stage, known as ...

Catholics on social media have been sounding the alarm on a chilling new trend: turning embryos into jewelry. Embryos — frozen children — who are no longer wanted by a family are literally killed to ...

“They are the ones that have to be able to strike as quickly as possible,” says Alistair Evans, a zoologist at Monash University in Melbourne. It typically takes mammals between 60 to 400 milliseconds ...

University of Cambridge scientists have used human stem cells to create three-dimensional embryo-like structures that replicate certain aspects of very early human development—including the production ...

The team observed the emergence of the three-dimensional embryo-like structures under a microscope in the lab. These started producing blood (seen here in red) after around two weeks of development - ...

Baby Thaddeus Pierce began as a embryo that was frozen for more than 30 years. He holds the record for developing from the longest-frozen embryo known to result in a live birth. His mom was 4 and his ...

TWO NEWS. SNAKE EXPERTS SAY ENCOUNTERS AND BITES ARE HAPPENING MORE OFTEN IN CENTRAL FLORIDA, IN PART BECAUSE OF NEW DEVELOPMENT. WESH 2’S DAVID JONES WENT TO AN ANTI-VENOM LAB IN SAINT CLOUD TODAY TO ...

Although embryonic stem cells (ESCs) have been successfully derived from mice and rats, efforts to establish chimeric and germline-competent ESC lines in species beyond rodents have been unsuccessful.