It's commonly thought that sperm "race" to the egg, with the winner fertilizing it. But is this really the case?

Discover 5 ways fibroids affect fertility, from implantation interference to pregnancy complications, and learn which types ...

Grey’s Anatomy’s surgeons are well-known for their medical innovations, but in Thursday’s episode (recapped here), one of the ...

Katherine Heigl's net worth is estimated to be around $30 million, according to Celebrity Net Worth. Related: 'Grey's Anatomy ...

HBO drama head Francesca Orsi has heaped praise on the battle scenes in the upcoming Game of Thrones spin-off A Knight of the ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." It’s impossible to pick one of ...

A new study provides many new insights into the biology of the prehistoric gigantic shark megalodon (megatooth shark), which ...

One halcyon spring day in 1903, the 69-year-old anatomist and naturalist Dr. James Bell Pettigrew sat at the top of a sloping ...

Colossal Biosciences has altered several genes in mice to make them look more mammoth-like, but the company is far from its ...

They face many threats at sea and onshore. But finding what exactly killed a turtle that washed ashore on a Malaysian beach ...