Life expectancy gap between black and white Americans closes nearly 50 percent in 30 years

Suicide Rates Rise in a Generation of Black Youth

Zeroing in on the origins of Earth’s “single most important evolutionary innovation." A new study shows oxygenic photosynthesis likely evolved between 3.4 and 2.9 billion years ago.

A planet of burning ice. Gliese 436 b is a planet roughly the size of Neptune and was first discovered in 2004, found around 30 million light years from Earth and is about 20 times larger