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27 August 2014, 03:44 PM ET
Effective Space Solutions' microsatellite, called "The DeOrbiter", will be able to grapple satellites and tow them to their correct orbits. Useful for satellites that are launched into incorrect orbits or for towing to 'graveyard' orbits.
27 August 2014, 03:29 PM ET
Power winds emanating from the binary system's stars interact and are being studied with the help of Chandra X-ray Observatory imagery. The system harbors one of the largest and brightest stars in the Milky Way.
27 August 2014, 02:17 PM ET
Galaxy GOODS-N-774 has been observed by NASA and ESA space telescopes and the W.M. Keck Observatory. The view is how it appeared 11 billion years ago.
27 August 2014, 01:11 PM ET
NASA cryospheric program manager Dr. Tom Wagner talks to Space.com's @MiriKramer about how the space agency is trying determine the causes of the ice loss and how it affects Earth.
27 August 2014, 01:01 PM ET
Stars are giant fusion reactors, smashing protons together to produce energy.
27 August 2014, 01:01 PM ET
Supernovas may spark from catastrophic nuclear explosions on dead white dwarfs. The scenario has long been theorized by scientists, but now direct evidence has been found.
27 August 2014, 01:00 PM ET
Particles released from the core of the sun confirm existing models of the fusion process that drives the star.
27 August 2014, 07:13 AM ET
Scientists working to detect gravitational waves from black holes and other exotic phenomena billions of light years away, pass their passion to future generations. A new film, by Kai Staats, is coming.
27 August 2014, 07:02 AM ET
The space agency is about to give out its Commercial Crew Transportation Capability contract, the last in a series of awards and agreements NASA began putting in place in 2010 to encourage the development of private American astronaut taxis.
27 August 2014, 07:00 AM ET
With the backing of none other than Sulu, a fan-made production of a feature-length "Star Trek" film raised more than $650,000 to chronicle one of the U.S.S. Enterprise's adventures.
27 August 2014, 07:00 AM ET
SpaceX scrubbed the planned early Wednesday liftoff of a commercial communications satellite to perform a thorough check of its launch systems in the wake of a test-flight mishap last week involving a prototype rocket.
26 August 2014, 07:36 PM ET
A look at Masten Space System's plans for the U.S. military's proposed Experimental Spaceplane (XS-1) vehicle. Masten is one of three companies holding XS-1 design contracts.
26 August 2014, 05:45 PM ET
Mission team members had been considering drilling a rock dubbed "Bonanza King" but scrapped the idea after pre-drilling activities suggested that the stone is not stable enough. Curiosity has instead resumed the long drive to the towering Mount Sharp.
26 August 2014, 04:24 PM ET
Astronomers observing with the Atacama Large Millimeter/submillimeter Array (ALMA) have been able to image merging galaxy H-ATLAS J142935.3-002836. A foreground galaxy gravity magnified the light of the merger to deliver the image.
26 August 2014, 03:13 PM ET
NASA astronaut Robert Overmyer, who flew on two space shuttle missions in the early 1980s, was remembered Saturday (Aug. 23) with the dedication of a historical marker in his Ohio hometown.
26 August 2014, 02:52 PM ET
The sun kicked off this week with an explosive solar flare that, while not aimed directly at Earth, may be a hotspot to watch over the next few days.
26 August 2014, 12:09 PM ET
The steel tower used to mount NASA space shuttles atop jumbo jets to fly them cross-country after they landed in California is now being dismantled. The Mate-Demate Device at NASA Armstrong Flight Research Center stood for four decades.
26 August 2014, 11:49 AM ET
Former NASA administrator Mike Griffin thinks the United States' dependence on Russian technology to fly astronauts to the International Space Station is tantamount to a "hostage situation," according to an interview conducted in May.
26 August 2014, 08:46 AM ET
The U.S. Army launched a prototype hypersonic weapon test from Alaska on Monday (Aug. 25), only to destroy the superfast vehicle seconds later when something went wrong.
26 August 2014, 06:00 AM ET
NASA's Voyager 2 spacecraft made the first-ever flyby of Neptune on Aug. 25, 1989, zipping by the planet and its moon Triton in quick succession. The historic encounter gave a face to two worlds that until that time had dwelt in depth and shadow.
25 August 2014, 09:12 PM ET
What happens when two black holes pass in the night?
25 August 2014, 06:06 PM ET
A robotic space probe is due to set down on a comet in November, and now scientists have identified five sites where it could land.
25 August 2014, 05:36 PM ET
Data from instruments aboard a NASA sounding rocket corroborates the claim that about 10 million years ago a cluster of supernova explosions blew a bubble in the interstellar medium. Today Earth resides in that bubble.
25 August 2014, 05:15 PM ET
Our managing editor challenges Alan Boyle from NBCNews, Discovery News' Ian O'Neil and former NASA astronaut Mike Massimino. Learn more about the challenge to fight Amyotrophic lateral sclerosis (ALS), as known as Lou Gehrig's Disease.
25 August 2014, 03:40 PM ET
Expedition 40 astronaut Alexander Gerst said "We flew right through a massive aurora after last week's solar mass ejection." The space station maintains a altitude of between 205 and 270 miles above Earth.
25 August 2014, 03:37 PM ET
New Horizons — which is scheduled to zoom through the Pluto system on July 14, 2015 — passed Neptune's orbit today, 25 years to the day after NASA's Voyager 2 probe executed the first-ever flyby of faraway Neptune and its icy moon Triton.
25 August 2014, 02:01 PM ET
NASA is developing a band of autonomous robots called "swarmies" that use radio waves to communicate with each other and may one day be used to explore the moon or Mars.
25 August 2014, 12:45 PM ET
ESA's Rosetta mission will attempt to land its Philae lander in November 2014 on the surface of comet 67P/Churyumov-Gerasimenko. Measurements of surface temperature, mass and gravity from the probe weighed into the decision.
25 August 2014, 12:00 PM ET
NASA combined data from the Spitzer Space Telescope, Chandra X-Ray Observatory and ESA's XMM-Newton to produce an image of the supernova remnant Puppis A.
25 August 2014, 10:07 AM ET
NASA's Solar Dynamics Observatory captured the M5.6-class flare in multiple wavelengths, while the NASA/ESA Solar and Heliospheric Observatory wide view captured some of the ensuing coronal mass ejection.
25 August 2014, 08:03 AM ET
The moon has a distinctive smell. Ask any Apollo moonwalker about the odiferous nature of the lunar dirt and you'll get the same answer. The moon smells like gunpowder.
24 August 2014, 07:21 PM ET
An M5.6-class flare erupted from sunspot AR2151 on August 24th, 2014. NASA's Solar Dynamics observatory captured a close-up of the fireworks.