Flyby delivers sharpest view of distant, icy world.
Models from scans help decipher ancient animals’ diets.
A scientific expedition yields hundreds of specimens.
A landmark anniversary for a powerful telescope.
Wavelengths across the spectrum illuminate Chandra images.
Gas traces in a supernova remnant map the star's violent end.
Health workers are close to eradicating a painful parasite.
Conservationists provide a lifeline for malnourished birds.
Cameras capture glowing life.
Glowing is widespread in reef fish.
Life glows in ocean depths.
A mission that began a decade ago reaches its destination.
Software shows how pattern recognition could thwart nest invaders.
The West’s fire regime is changing.
How carbon dioxide's rise was discovered.
Rare, ancient remains reveal ancestral ties.
Time may be running out for the Great Red Spot.
Birds in contaminated zone are healthier than expected.
Experts examine relationships between flu strains for answers.
A vast grid of surface detectors is revealing Earth’s hidden insides.
Linking habitats helps seeds spread.
Technology for the blind triggers unexpected brain activity.
In a warming world, where might coral reefs persist?
High-energy emissions at a dead star’s core show how it exploded.
Erratic southern invaders repel rivals with acid.
Neanderthal traces appear in genes for hair and skin.
Amid cloudy skies, a nearby stellar explosion is spotted.
Scientists identify thousands of new species.
Scientists locate body regions where emotions spark a response.
Telescope observations reveal atmospheric water on exoplanets.
Exoplanet details are finally coming to light.
Bacterial infusions can heal gut microbe imbalances.
Annual ozone holes still occur, but Earth’s ozone layer is mending.
A new study of the world’s only venomous primate.
Sharing space with bacteria leaves plenty of room for change.
The United Nations calls for an asteroid defense plan.
Is our family tree due for a pruning?
As the climate warms, the Arctic greens—and vice versa.
Earlier Arctic plant growth is too early for migrating caribou.
Constant vigilance rewards hobbyist astronomers.
Stem cell mini-brains reveal how brain regions organize.
Dung beetles reduce harmful methane emissions in cow droppings.
Geologists study earthquake risk in a crowded country.
A pulsing star at our galaxy’s heart shares a black hole’s secrets.
New intravenous vaccine prevents malaria in first tests.
Madagascar's biodiversity boom ended long ago.
Observations of a star’s magnetic field reveal unusual behavior.
Watch the latest Mars rover hunt for signs of life.
In a Chinese quarry, scientists discover the oldest known fossil primate skeleton.
Two giant galaxies combine to form a massive ellipse.