27 February 2014, 01:48 PM ET
Space tourist Dennis Tito's daring proposal to send a married couple on a 501-day space flight around the planet Mars and back.
27 February 2014, 01:43 PM ET
The Global Precipitation Measurement (GPM) Core Observatory, a joint effort between NASA and the Japan Aerospace Exploration Agency, blasted off aboard an H-2A rocket from Japan's Tanegashima Space Center today at 1:37 p.m. EST.
27 February 2014, 01:41 PM ET
The NASA-JAXA Global Precipitation Measurement Core Observatory (GPM) was launched from the Tanegashima Space Center, Japan on February 27th, 2014. The satellite will provide near real-time precipitation data.
27 February 2014, 01:37 PM ET
The Global Precipitation Measurement Mission, a joint venture of NASA and JAXA, will produce next-generation global measurements of rainfall and snowfall from space.
27 February 2014, 11:53 AM ET
China's first moon rover and lander have entered a third period of "Selene slumber," a shutdown of operations given two weeks of temperature-dropping lunar night. The Yutu (Jade Rabbit) rover went into programmed sleep mode on Feb. 22.
27 February 2014, 11:16 AM ET
See stunning photos of Earth's dancing northern lights with these amazing aurora photos from Earth and space in 2014. Astronauts on the International Space Station captured the aurora views from orbit.
27 February 2014, 09:38 AM ET
This cool space wallpaper shows a composite view of the giant elliptical galaxy NGC 1399. The stellar component, as observed at optical wavelengths, is shown in white at the center of the image.
27 February 2014, 09:00 AM ET
Though a glitch ended Kepler's original operations last May, the mission continues to discover distant worlds, adding a whopping 715 new exoplanets to the tally on Wednesday. Many more will follow, and a new mission could keep Kepler busy for years.
27 February 2014, 07:34 AM ET
NASA and Japan's space agency will launch the new Global Precipitation Measurement Core Observatory satellite to map Earth's rain and snow today at 1:37 p.m. EST. Watch it live here.
27 February 2014, 07:00 AM ET
The GPM Core Observatory scans the weather with microwaves and two bands of radar. See how the Global Precipitation Measurement Satellite by NASA and JAXA will map rain and snow like never before.
27 February 2014, 12:53 AM ET
Artificial satellites from Earth have only populated space since 1957, but there are now hundreds of thousands of objects from our planet in orbit.
26 February 2014, 06:56 PM ET
The pulsar jet, called IGR J1104-6103, is traveling between 2.5-5 million MPH, making it one of the fastest moving pulsars ever observed. It began its journey from the center of supernova remnant SNR MSH 11-61A in the Milky Way galaxy, its believed.
26 February 2014, 05:42 PM ET
A potentially deadly spacesuit water leak that nearly drowned an Italian astronaut during a spacewalk last July was one of the scariest close calls in NASA's spacewalk history. In fact, the spacesuit also leaked during an earlier spacewalk.
26 February 2014, 04:06 PM ET
China's first moon rover and lander appear in spectacular detail in this new time-lapse panoramic view by science reporter Ken Kremer and colleagues. See how it was done.
26 February 2014, 03:27 PM ET
Researchers using the Kepler Space Telescope have nearly doubled the number of planets known to humanity. Find out how they did it.
26 February 2014, 03:11 PM ET
A recent image from the International Space Station (ISS) shows in stark detail the utter lack of development in North Korea — widely considered to be a "rogue" state — compared to next-door neighbor South Korea, a rapidly developing industrial power.
26 February 2014, 03:02 PM ET
On Feb. 26th, 2014, NASA announced that it has added 715 new planets to the roster of known exoplanets. Kepler Space Telescope data was used in the discovery. Four of the new planets reside in the habitable zone of its host star.
26 February 2014, 02:14 PM ET
A powerful new technique for hunting alien planets yields a major new crop of new worlds. See how it helped NASA's Kepler Space Telescope confirm the existence of 715 new alien planets to nearly double the known list of exoplanets.
26 February 2014, 01:33 PM ET
A star (Kepler 296 system) about half the size of our Sun is harboring at least 5 planets. It is not yet known if the outermost planet, in the habitable zone (green area in video), called Kepler-296f, is a gas or water world.
26 February 2014, 01:01 PM ET
NASA has confirmed the existence of 715 newly discovered alien planets using the agency's Kepler Space Telescope, effectively doubling the number of exoplanets known today. See what the discovery means for life here.
26 February 2014, 12:01 PM ET
Starting today (Feb. 26), anybody with an Internet connection and a few dollars to spare can give a moniker to one of the Red Planet's 500,000 or so unnamed craters, as part of a mapping project run by the space-funding company Uwingu.
26 February 2014, 11:58 AM ET
Powerful jets generated by supermassive black holes could be quenching star formation in elliptical galaxies, forcing them to appear "red and dead," a new study reports.
26 February 2014, 11:02 AM ET
To some viewers, it looks like a landing strip for extraterrestrial spacecraft — or perhaps the portal to a parallel universe, if not an ancient monument to a benevolent deity who had a keen eye for design and symmetry.
26 February 2014, 10:51 AM ET
Japanese astronaut Koichi Wakata has been accumulating an impressive orbital photo portfolio since he arrived at the International Space Station. This is probably one of the most beautiful photographs he’s captured — the moon as it sets over our planet.
26 February 2014, 10:44 AM ET
NASA is hosting a media teleconference today to discuss the findings of an investigation into a dangerous spacesuit water leak that caused the near-drowning of an Italian astronaut.
26 February 2014, 10:29 AM ET
This stunning space wallpaper shows a small part of the Large Magellanic Cloud, one of the closest galaxies to our own. This collection of small baby stars, most weighing less than the Sun, form a young stellar cluster known as LH63.
26 February 2014, 10:09 AM ET
Testing at the Icing Research Tunnel resulted in ice formations on the propeller and fuselage surfaces of this engine.
26 February 2014, 10:05 AM ET
NASA's Solar Dynamics Observatory (SDO) captured close-ups and the Solar and Heliospheric Observatory (SOHO) had the wide view of the Feb. 24th, 2014 X4.9-class flare. Also, SOHO's view provides imagery of the resulting coronal mass ejection (CME).
26 February 2014, 06:34 AM ET
The explosion of a meteor over the southern Ural region of Russia last year peppered the area with varying sizes of space rock leftovers.
26 February 2014, 06:30 AM ET
It has been 50 years since two scientists found landmark evidence for the Big Bang theory. Robert Wilson and Arno Penzias were using a large horn antenna at Bell Labs in New Jersey to gaze into the Milky Way.
26 February 2014, 06:26 AM ET
NASA watched as a large, peanut-shaped asteroid flew past Earth in early February, and you can see the impressive images in a new video released by the space agency.
25 February 2014, 10:13 PM ET
"Gravity" has landed on store shelves, and launched into space. The award-winning 3D space thriller was released on DVD and Blu-ray, while the movie arrived aboard the real space station for a microgravity screening.