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20 February 2015, 11:33 AM ET
Orbital ATK, builders of the Space Shuttle Solid Rocket Motors and of the future Space Launch System, describe the avionics system for their March 2015 static-fire test of the booster in Promontory, Utah.
20 February 2015, 09:43 AM ET
Earth's water has a mysterious past stretching back to the primordial clouds of gas that birthed the Sun and other stars.
20 February 2015, 07:00 AM ET
NASA officials have asked scientists to consider ways that a Europa mission could search for evidence of alien life in the plumes of water vapor that apparently blast into space from Europa's south polar region.
20 February 2015, 07:00 AM ET
Two space-themed movies — the Stephen Hawking biopic "The Theory of Everything" and the sci-fi epic "Interstellar" — are up for a total of 10 Academy Awards, which will be announced Sunday night (Feb. 22).
20 February 2015, 12:43 AM ET
This spectacular space wallpaper shows ESO’s Paranal Observatory in Chile soon after sunset. The last rays of the day create a spectacular orange haze as they pass through the dusty lower levels of the atmosphere, setting a perfect scene.
19 February 2015, 10:39 PM ET
SpaceX is a private spaceflight company that regularly delivers payloads to the International Space Station via its Dragon spacecraft.
19 February 2015, 05:30 PM ET
For the first time, astronomers have caught a fast radio burst as it was happening and just might be zeroing in on the origins of these energetic events.
19 February 2015, 05:26 PM ET
The so-called 'demon star' of Algol is the most prominent eclipsing variable star in the night sky and if you know when and where to look, you can see the star appear to wink as it is eclipsed by another, dimmer star.
19 February 2015, 03:25 PM ET
A dim red dwarf and its brown-dwarf companion likely grazed the outer edges of the solar system 70,000 years ago in what scientists say was the closest encounter ever between our sun and another star.
19 February 2015, 02:35 PM ET
On Feb. 14th, 2015, the European probe flew about 4 miles (6 km) above the surface of comet 67P/Churyumov-Gerasemenko and delivered stunning imagery. It will continue to make several maneuvers to fly close to the comet over the next few weeks.
19 February 2015, 02:01 PM ET
A hungry black hole has belched up a bubble of cosmic wind that could eliminate the rest of its meal and change the landscape of the entire galaxy, according to new observations.
19 February 2015, 01:18 PM ET
The traditional Chinese month-keeping is based on lunar cycles periodically offset to sync with solar events to form a 'lunisolar' calendar, this year represented by a horned farm animal. But which one depends upon who you ask.
19 February 2015, 12:32 PM ET
Designing, building and operating Laser Interferometer Gravitational-wave Observatories (LIGO) is tedious and exacting. These out-takes from "LIGO Generations" (film) show keeping a sense of humor is an essential element of the scientific method.
19 February 2015, 12:32 PM ET
Designing, building and operating Laser Interferometer Gravitational-wave Observatories (LIGO) is tedious and exacting. These out-takes from "LIGO Generations" (film) show keeping a sense of humor is an essential element of the scientific method.
19 February 2015, 12:18 PM ET
The webcast, which is hosted by the nonprofit Kavli Foundation and begins at 4 pm EST, explores the universe of "Interstellar" and investigates how accurately the ideas of physicist Stephen Hawking were portrayed in "The Theory of Everything."
19 February 2015, 11:46 AM ET
Today's Google doodle rings in the Chinese New Year, an event that is determined by the cycles of the moon.
19 February 2015, 10:47 AM ET
NASA realizes its future depends upon a two-way relationship with growing commercial space companies. New facilities must accommodate the Congressionally mandated Space Launch System as well as private rockets.
19 February 2015, 10:05 AM ET
See photos from NASA's New Horizons mission to explore the dwarf planet Pluto.
19 February 2015, 10:00 AM ET
The online Slooh Community Observatory will host a live webcast featuring views of the moon in honor of the Chinese New Year. The live broacast will begin Thursday (Feb. 19) at 8 p.m. EST (1200 Feb. 20 GMT).
19 February 2015, 09:50 AM ET
The world's biggest and most powerful particle smasher is gearing up for hunt for new particles, including mysterious dark matter and clues for supersymmetry.
19 February 2015, 09:43 AM ET
The voyages of the U.S.S. Enterprise now include a stop in Tuvalu. The tiny island nation in Polynesia is issuing two commemorative coins to honor the legacy of the original 'Star Trek' series of the 1960s.
19 February 2015, 07:30 AM ET
Future moon colonists seeking water should focus on crater slopes that face the south pole rather than those that face the equator, according to investigators working on NASA's Lunar Reconnaissance Orbiter mission.
19 February 2015, 07:00 AM ET
NASA's New Horizons spacecraft captured images of Nix and Hydra, two of Pluto's five known moons, from Jan. 27 through Feb. 8, at distances ranging from 125 million miles to 115 million miles (201 million to 186 million kilometers).
18 February 2015, 05:53 PM ET
A series of images taken by the NASA Horizons Mission from Jan. 27-Feb. 8, 2015 shows the two moons (25 to 95 miles in diameter) orbiting Pluto.
18 February 2015, 05:14 PM ET
Mars, Venus and the moon will meet up in a particularly beautiful cosmic display Friday. If you've been watching the evening twilight sky over the past few weeks, you will have seen the brilliant planet Venus gradually moving away from the sun, setting sl
18 February 2015, 04:58 PM ET
NASA cameras caught an intensely bright meteor streaking through the sky above Pittsburgh in the predawn hours on Tuesday (Feb. 17). The hunk of space rock was roughly 2 feet long and 500 lbs. before it burned up in the atmosphere..
18 February 2015, 03:02 PM ET
The 149th crew to "explore" the Red Planet care of the Mars Desert Research Station has made some interesting discoveries — not all what you would expect.
18 February 2015, 02:53 PM ET
In a Mars environment, it appears even brewing may be possible.
18 February 2015, 02:29 PM ET
Explosions on the surface of a dying star may help solve the mystery of the presence of lithium in the galaxy.
18 February 2015, 12:47 PM ET
Did you miss out on seeing the space thriller "Interstellar" in IMAX last year? Do you just want to see it in all its glory again? Space fans in select will get the chance to check out Christopher Nolan's space exploration spectacle in theaters again.
18 February 2015, 12:29 PM ET
The online observatory Slooh will broadcast real-time views of the new moon on Thursday, marking the beginning of the Chinese New Year.
18 February 2015, 12:04 PM ET
A robotic submarine could explore the methane seas on Titan, Saturn's largest moon. See how space technology and NASA are working to make this a reality.