Sky-gazers caught a rare glimpse of Venus framed by the Sun.
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.
NASA’s Dawn spacecraft captures detailed images of a giant asteroid’s alien landscape.
Infrared data from two telescopes combine to expose rapid growth of infant stars.
NASA's airborne observatory captures views unmatched by ground telescopes.
Recent finds add to a growing list of nearby Earth-like planets.
Twin satellites investigate the lunar surface and structure.
Curiosity rover launched on November 26, beginning its long journey to Mars.
Newly discovered dwarf galaxies are fast and furious in their production of stars.
Astronomers observe a rare supernova—the closest to Earth in nearly a century.
The WISE mission catches sight of a faint, elusive type of brown dwarf.
Scientists suspect a distant planet has a magnetic field.
The search for the intermediate objects between stars and planets.
MESSENGER returns the first images from its orbit around Mercury.
A close view of the asteroid Kleopatra and its two moons gives clues to planet formation.
Become a citizen scientist and help measure light pollution in your area.
A NASA X-ray telescope reveals an unusual ring of eight black holes.
Does a shroud of energy from the Big Bang bear scars of other universes?
Astronomers propose a new theory to explain Saturn's unusual rings.
A huge galactic smash-up may have formed the galaxies nearest us.
Astronomers say a black hole recently formed in a nearby galaxy.
A NASA lunar probe reveals that the Moon stores more ice at its poles than previously thought.
Scientists are reproducing supernova explosions on computer screens.
NASA's newest infrared space telescope is revealing the unseen Universe.
A new Hubble Space Telescope image shows a galaxy with a complex identity.
A local star is the most massive ever detected.
Scientists chart new asteroid territory in order to understand the early Solar System.
A rock collected by the Apollo 17 mission in 1972 yields a surprise.
The Swift satellite, NASA's high-energy detector, is studying black hole mysteries.
In a nebula packed with stars, not all stay with the crowd.
Asteroids may have delivered water to early Earth.
State-of-the-art spacecraft observes our Sun with unprecedented detail.
Satellites go wide, then zoom in on galactic dust.
Zoom from the Himalayas to the edge of the observable Universe—and back again.
Ancient quartz crystals reveal our young planet's magnetic field.
Astronomers get a fresh perspective on the Orion Nebula.
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.
AMNH astronomers have revealed a long-hidden star in the Big Dipper's handle.
NASA's new infrared telescope is set to reveal thousands of space objects.
Can scientists trace the source of this space radiation?
With a telescope this big, the future is bright for South African astronomy.
Forty-year-old lunar samples contain trace amounts of water.
The innermost planet like we’ve never seen it before.
How scientists are solving the mystery of the Universe's most powerful explosions.
Learn the origins of our Moon.
A revolutionary set of star-seeking telescopes is taking precision to the next level.
Pluto in 2015...or bust.