Tantalising signs of past microbial life showed up on Mars this year, but to truly know whether they contain the answer to ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

NASA’s Perseverance Mars rover is continuing its mission to collect samples despite uncertainty about when or if those ...

The medical examiner's office investigates approximately 40,000 deaths per year in New York City. Its molecular genetics laboratory, founded by Dr. Yingying Tang in 2003, is the only one of its kind ...

At first glance, it looks like the start of a human pregnancy: A ball-shaped embryo presses gently into the receptive lining ...

A new generation of aging tests is moving out of specialist labs and into everyday life, promising to tell you how old your ...