24 February 2014, 04:00 PM ET
A NASA X-ray telescope has detected the longest jet in the Milky Way: a corkscrew-shaped trail of high-energy particles being ejected from a speeding pulsar.
24 February 2014, 03:46 PM ET
This space wallpaper shows a model of the interstellar magnetic fields — which would otherwise be straight — warping around the outside of our heliosphere. The image is based on data from NASA's Interstellar Boundary Explorer.
24 February 2014, 03:10 PM ET
The space agency will announce more discoveries by Kepler, whose original planet-hunting mission was scuttled by a glitch in May 2013, during a press conference at 1 p.m. EST on Wednesday (Feb. 26).
24 February 2014, 03:00 PM ET
Images from a recent tour of the Tanegashima Space Center where JAXA plans to launch an H-IIA rocket carrying the GPM Core Observatory on Feb. 28, 2014.
24 February 2014, 02:14 PM ET
The NASA-JAXA Global Precipitation Measurement (GPM) Core Observatory will provide near real-time precipitation coverage around the globe. The data will be used to study climate change, natural hazards and freshwater resources.
24 February 2014, 10:23 AM ET
A space rock impacted the surface of the moon on September 11, 2013 with explosive force of 15 tons of tnt. It was estimated to be between 1.9 and 4 feet wide, 880 lbs (400kg) and traveling at ~38,000mph (61,000 km/h).
24 February 2014, 10:02 AM ET
A boulder-sized space rock slammed into the lunar surface last year, sparking the brightest explosion on the moon ever seen, scientists say.
24 February 2014, 09:35 AM ET
An estimated 4 foot-wide, 880 lbs asteroid hit the moon on September 11th, 2013. It had explosive force of 15 tons of TNT. Spanish telescopes that are part of Moon Impacts Detection and Analysis System (MIDAS) recorded the explosion. (looped)
24 February 2014, 06:45 AM ET
Using a set of long-lined harpoons would allow a mission to grab samples from multiple locations on an asteroid or moon — and to get them from beneath the surface, where some of the most interesting material lies, researchers say.
24 February 2014, 06:30 AM ET
After decades of wondering why young massive stars don't blow away the gas surrounding them, astronomers have finally found a process that explains how these youngsters hang on to their gassy envelopes.
23 February 2014, 12:01 PM ET
From a blazing supernova remnant to a smokin' hot supermodel, don't miss these amazing space images of the week for Feb. 22, 2014.
23 February 2014, 12:00 PM ET
What was your favorite space news story of the last week?
22 February 2014, 02:56 AM ET
Will telemedicine work on Mars?
21 February 2014, 06:09 PM ET
Most astronomers believe the universe began 13.8 billion years ago in a sudden explosion called the Big Bang. Other theorists have invented alternatives and extensions to this theory.
21 February 2014, 05:25 PM ET
Inpouring rivers of hydrogen gas could explain how spiral galaxies maintain the constant star formation that dominates their hearts. Scientists observed a tenuous filament of gas streaming into the galaxy NGC 6946, known as the Fireworks Galaxy.
21 February 2014, 03:44 PM ET
A deep freeze has settled in over the Great Lakes this winter and a new image released by NASA shows the astonishing extent of the ice cover as seen from space.
21 February 2014, 10:59 AM ET
On January 28th, 2014, NASA's Interface Region Imaging Spectrograph (IRIS) witnessed an M-class flare, the strongest its seen since it was launched. The spacecraft studies the Sun's chromosphere.
21 February 2014, 09:47 AM ET
Dr. Robert Goddard, namesake for the Goddard Space Flight Center, is known as a pioneer in American Rocketry.
21 February 2014, 07:00 AM ET
The maneuver was designed to test out a strategy for reducing wear on the robot's six metal wheels, which have accumulated dings and holes at an increasing rate over the last few months, NASA officials said.
20 February 2014, 04:45 PM ET
A rare black widow binary star system consists of one of heaviest neutrons stars (~2X Sun Mass) known and a small companion star (12X Jupiter Mass) in the tightest orbit ever seen. High-energy particles from the former are obliterating its companion.
20 February 2014, 04:45 PM ET
New photos of the Martian landscape further rule out a meteorite impact as the culprit behind the "jelly doughnut" rock that mysteriously appeared in front of one of NASA's Mars rovers last month.
20 February 2014, 02:03 PM ET
A maneuver undertaken by NASA's Odyssey orbiter will allow the craft to begin a systematic study of temperature and atmospheric changes that occur around sunrise and sunset each day.
20 February 2014, 01:48 PM ET
Mars' upper atmosphere is swarming with atoms, ions and molecules actively exiting the planet's sphere of influence. That's why NASA's Mars Atmosphere and Volatile EvolutioN (MAVEN) spacecraft is headed there: to discover why.
20 February 2014, 07:00 AM ET
The European Space Agency has selected a space telescope called PLATO — short for Planetary Transits and Oscillations of stars — as its third medium-class science mission. The observatory is slated to blast off in 2024.
20 February 2014, 07:00 AM ET
Officials with the Slooh Space Camera are urging the public to help find the asteroid 2000 EM26, which hasn't been seen since March 14, 2000, just nine days after its discovery.
20 February 2014, 01:02 AM ET
You don't have to grind your own lenses to build your own telescope.
19 February 2014, 03:45 PM ET
NASA's Mars rover Curiosity rolled past 5 kilometers on the Red Planet last week, and many people who work at the space agency's Jet Propulsion Laboratory went on a 5K run to celebrate.
19 February 2014, 03:10 PM ET
NASA has set up a "rapid response system" to pick the best candidates for its ambitious asteroid-capture mission, which aims to haul a near-Earth object into a stable orbit around the moon.
19 February 2014, 03:07 PM ET
This stunning space wallpaper is the first map of radioactivity in a supernova remnant, the blown-out bits and pieces of a massive star that exploded.
19 February 2014, 02:28 PM ET
The retired Earth-watching satellite Landsat 5 may have quit taking pictures of planet, but it’s apparently not finished posing in them.
19 February 2014, 01:52 PM ET
Astronomers using data from NASA's Rossi X-ray Timing Explorer (RXTE) have accounted for a dozen instances of X-ray signals diminished by gas clouds. Scientists have surmised that the clouds can average 4 billion miles across and 2X Earth's mass.
19 February 2014, 01:01 PM ET
The devastating, explosive deaths of stars appear to be lopsided cosmic conflagrations, scientists say. The new findingsmay be a clue into what exactly happens in the hearts of stars as they explode as supernovas.