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.
Undersea mountains are prime spots to protect ocean life.
The invasive zebra mussel loosens its grip on the Hudson River.
Become a citizen scientist and help measure light pollution in your area.
Biologists discover that pandas need old-growth forests to survive.
A NASA X-ray telescope reveals an unusual ring of eight black holes.
Why are climbing vines overgrowing tropical forests in the Americas?
New finds enter the debate over where humans first settled in the Americas.
Watch mind and machine merge.
Decoding the genomes of other species is critical to understanding our own.
A single-celled organism is found to sow and harvest crops of bacteria to sustain its colonies.
Conservation helps, but more must be done to reverse the decline of vertebrate species.
Does a shroud of energy from the Big Bang bear scars of other universes?
Another human species was alive at the time of Neanderthals.
For many vultures, scavenging has become dangerous business.
Astronomers propose a new theory to explain Saturn's unusual rings.
Volcanologists keep wary watch on Sicily's restless peak.
A huge galactic smash-up may have formed the galaxies nearest us.
The key to defeating tuberculosis may lie in its longevity.
Use of nitrogen fertilizer is radically impacting Earth's nitrogen cycle.
Astronomers say a black hole recently formed in a nearby galaxy.
Roads connect people, but they separate animals.
Learning to read reorganizes the brain's neural networks—at any age.
Knowing how far Atlantic sturgeons roam will help protect this threatened migratory species.
A South African site yields evidence of early advancement in our species.
A NASA lunar probe reveals that the Moon stores more ice at its poles than previously thought.