When oil spills invade ecosystems, impacts can last decades.
Scientists decode large parts of the Neanderthal genome.
Genetically speaking, how close are we to Neanderthals?
Asteroids may have delivered water to early Earth.
The Census of Marine Life is studying an ocean's worth of microscopic marine species.
A bacterial DNA sequencing project uncovers the diversity of microbes in humans.
State-of-the-art spacecraft observes our Sun with unprecedented detail.
Satellites go wide, then zoom in on galactic dust.
Marine life increases in protected waters.
Zoom from the Himalayas to the edge of the observable Universe—and back again.