Near miss for Earth in 2040, says asteroid team

A large asteroid that initially had scientists worried has only a small chance of striking the Earth in 2040, says NASA.

Ancient Antarctica was warmer and wetter

Antarctica was once as warm as Iceland - warm enough for vegetation and even trees to thrive, a new study has found.

Tropical lakes spotted on Titan

NASA’s Cassini spacecraft has spotted long-standing methane lakes near the equator of Saturn’s moon Titan.

Video: NASA’s NuSTAR launches

Following a successful launch, NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) has begun its mission to discover secrets of buried black holes and other exotic objects.



NASA tweaks Mars rover landing plans

NASA has decided its precision landing gear is accurate enough to let it land the Curiosity Mars rover a lot closer to its target than expected.

Astonishing algae bloom found in Arctic

NASA scientists say they've made a discovery in the Arctic Ocean 'as dramatic and unexpected as finding a rainforest in the middle of a desert'.

NASA spots glow of universe's first objects

NASA believes it's spotted the dappled light of the first objects in the universe with the best precision yet.

Vesta asteroid is shrouded in many colors

A new video shot by NASA’s Dawn spacecraft depicts a dappled, variegated surface of the giant asteroid Vesta. 



NASA's NuSTAR to x-ray the universe

NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) may be the size of a refrigerator, but it will undoubtedly help astronomers discover some of the most interesting aspects of our universe.

NASA sends drones to monitor hurricanes



NASA is preparing to deploy a pair of unmanned aircraft above stormy skies to help forecasters improve their understanding of hurricane formation and intensity changes.



Venus transit will help NASA improve future observations

NASA's NASA's Solar Dynamics Observatory (SDO) is hoping to use Venus's transit of the sun on June 5 to better calibrate its instruments.

NASA completes main Grail mission ahead of time

NASA's Grail mission to study the moon from crust to core has completed its main task ahead of schedule, gathering information about the internal structure and evolution of the moon in unprecedented detail.

From lunar rovers to wet wipes: protecting artifacts on the moon

NASA's a bit concerned that the rush to the moon created by Google's Lunar X Prize could damage historic sites there.

New-found exoplanet is evaporating away

MIT and NASA scientists believe they've found a planet, 1,500 light years away, that appears to be disintegrating from the heat of its parent star.

NASA tots up hazardous asteroids

Observations from NASA's Wide-field Infrared Survey Explorer (WISE) indicate there are about twice as many potentially hazardous asteroids (PHAs) in lower-inclination orbits than previously believed.

NASA scramjet accelerates hypersonic flight

NASA, along with a number of international partners, is currently working on the HIFiRE (Hypersonic International Flight Research Experimentation Program) program to advance hypersonic flight.

Vesta asteroid is ancient protoplanet

The asteroid Vesta is more like a planet or a moon, new data from NASA's Dawn spacecraft shows.

Sun moves too slowly for long-theorized 'bow shock'

Our sun is moving through the Milky Way more slowly than thought, new data from NASA's Interstellar Boundary Explorer (IBEX) satellite shows.

The biggest black holes prevent star creation

Scientists using the Herschel Space Observatory have discovered that galaxies with the most powerful, active black holes at their heart produce fewer stars.

Martian sand dunes are still on the move

NASA's Mars Reconnaissance Orbiter (MRO) has revealed that  sand dunes on Mars can put on a surprising turn of speed.