Why can't some teens resist taking risks?
In a nebula packed with stars, not all stay with the crowd.
New maps of global forests show where they are disappearing.
Mood disorders are linked to disturbances of circadian rhythms.
DNA analysis reveals a new—and deadly—strain of flu.
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.
Ancient crystals reveal Earth's earliest era.
Ancient quartz crystals reveal our young planet's magnetic field.
Coastal fog has declined for these iconic giants.
Astronomers get a fresh perspective on the Orion Nebula.
Overuse of fertilizer is making China's soils more acidic.
Skin cells become brain cells in a petri dish.
What's stretching space at an ever-faster pace?
Hubble is watching seasons change on the dwarf planet.
Hubble captures the most distant, ancient galaxies ever seen.
Humans are losing the big benefits that dung beetles bring to life on the planet.
The human genome can tell us the number of people that lived long ago.
AMNH astronomers have revealed a long-hidden star in the Big Dipper's handle.
Preserving species and habitats helps keep people safer from Lyme disease.
A powerful imaging technique may see early nascent brain damage from Lyme disease.
NASA's new infrared telescope is set to reveal thousands of space objects.
Alberta's oil sands industry contaminates local air and water.
Understanding viral links to cancer aids prevention and treatment.
Scientists are finding biological influences on obesity.
Genetic sequencing is revealing the secret haunts of shark fin hunters.
A picturesque Guatemalan lake is now struggling with cyanobacteria blooms.
Why are the Congo's fish evolving so quickly?
If climate change increases El Niño cycles, some primates may sink further into decline.
Even isolated colonies of Pacific albatrosses can eat a stomach-full of plastic trash.
People with Williams Syndrome are fearlessly, impulsively social. Brain scans are revealing why.
When ocean waters heat up, outbreaks of coral bleaching and disease can follow.
Ardipithecus ramidus lived long before Lucy—and moved in quite a different way.
Tyrannosaurus rex is no longer the poster boy for this family of dinosaurs.
Huge genetic studies are making sense of human ancestry across the globe.
The world's most diverse tigers live in India, making it a new hotspot for tiger conservation.
Climate change is affecting a web of western Antarctic life.
A quick genetic test can now identify illegally hunted wild game that is traded on the global market.
Researchers manipulated mouse DNA to discover a new genetic link to human hearing loss.
An indigenous community in the Bolivian Amazon is shedding light on the risk factors for heart disease.
As the Amazon's tree canopy is cut, more local species are becoming known to science.
Desertification has left Mali's Lake Faguibine nearly completely empty.