DNA evidence extracted from a foam cup left behind by the shooter was a key in the investigation, officials said.

Each time a cell divides, a small section of each chromosome's protective cap—the telomere—is worn away. Most cells use an ...

Most Americans don’t realize that grilling meat can produce cancer-causing compounds like HCAs and PAHs. Learn what the risks ...

Rare, deadly, and often missed, some skin cancers develop in areas that rarely see the sun. Scientists are still learning about them, but here's what we know.

Welcome to our live blog, bringing you the latest developments from West Asia. Stay updated on key shifts in regional ...

Bryan Kohberger appeared expressionless as a judge asked if he murdered four Idaho college students in their off-campus home, answering “yes” to each name called out in the courtroom Wednesday.