Our health depends on trillions of microbes living in our bodies.
Have black widow spiders lost their bite?
Sky-gazers caught a rare glimpse of Venus framed by the Sun.
Mysterious, tiny goblin spiders get a census.
Fossil gives a heads-up on the origin of flexible infant skulls.
Scientists analyze ancient glaciers to understand climate change today.
Cephalopods turn skin patterns on and off to fool predators.
A superbug’s resistance is linked to antibiotics in livestock feed.
The first private mission visits the International Space Station.
The Space Shuttle Enterprise took a final flight on the way to its new home in NYC.
Twitter provided real-time data on a cholera outbreak in Haiti.
Nicotine-related pesticides may be responsible for bee population decline.
An Ohio research lab helps save rhinos mutilated by poachers.
NASA’s Dawn spacecraft captures detailed images of a giant asteroid’s alien landscape.
A distinctive croak heralded a new species of frog in New York.
Drought stressed the groundwater stores of the southern United States in 2011 and 2012.
Infrared data from two telescopes combine to expose rapid growth of infant stars.
A keen sense of smell may have given humans an edge in brain development.
Fire ants play a care-giving role for butterfly larvae.
NASA's airborne observatory captures views unmatched by ground telescopes.
Recent finds add to a growing list of nearby Earth-like planets.
Beetle predators consider nutrition when choosing their prey.
Twin satellites investigate the lunar surface and structure.
In the worldwide wildlife trade, public health risks run high.
Scientists observe dolphins and whales at play in Hawaiian waters.
Curiosity rover launched on November 26, beginning its long journey to Mars.
Conservation efforts lead scarlet macaws toward a comeback in Guatemala.
As the seasons come and go, plant life and carbon change on Earth.
Ancient fossils suggest modern humans populated Europe earlier than once thought.
Newly discovered dwarf galaxies are fast and furious in their production of stars.
Worldwide, a diversity of life dwells deep in the dirt.
Online game players manipulate models to solve a virus protein puzzle.
When infants bond with parents, it benefits their health.
Astronomers observe a rare supernova—the closest to Earth in nearly a century.
Biodiversity loss may be encouraging the increase in Lyme disease.
Prey strike back! For ground beetle larvae, predators are on the menu.
The WISE mission catches sight of a faint, elusive type of brown dwarf.
Thanks to local people, a Mexican marine park makes a record recovery.
In 2010, El Niño switched quickly to a strong La Niña, resulting in intense weather.
Traumatic experiences can alter how the brain looks and works.
Scientists map Port-au-Prince's earthquake zone in detail.
Accidental netting of related dolphins threatens their genetic future.
Scientists suspect a distant planet has a magnetic field.
The search for the intermediate objects between stars and planets.
Coexisting with the powerful Mississippi River is a challenge for flood-prone communities.
High temperatures in 2010 stressed corals around the world.
MESSENGER returns the first images from its orbit around Mercury.
Autistic people engage their brain’s visual systems for many tasks.
A close view of the asteroid Kleopatra and its two moons gives clues to planet formation.
Biodiversity may help clear pollutants from streams.