28 July 2015, 11:04 AM ET
Incident investigators find that SpaceShipTwo’s re-entry feather system was manually unlocked too early in the flight causing extreme aerodynamic loading leading to catastrophic structural failure.
28 July 2015, 11:01 AM ET
The fiery demise of ancient huts in southern Africa 1,000 years ago left clues to understanding a bizarre weak spot in the Earth's magnetic field — and the role it plays in the magnetic poles' periodic reversals.
28 July 2015, 10:15 AM ET
Traveling at a breakneck speed of about 3700 mph (1652 m/s) in orbit around the moon, NASA LRO ‘drivers’ plan, program, upload, monitor and tweak - over and over again every day.
28 July 2015, 10:07 AM ET
The Smithsonian's Kickstarter crowdfunding campaign to conserve, digitize, and display astronaut Neil Armstrong's Apollo spacesuit rocketed to success and is now reaching to "reboot" Alan Shepard's Freedom 7 suit and other historic space artifacts.
28 July 2015, 09:38 AM ET
NASA is looking into a wild idea to explore the atmosphere of Jupiter or other gas giant planets using a robotic spacecraft designed to sail across extraterrestrial skies.
28 July 2015, 07:31 AM ET
A team of engineers has been at work for the past three years to develop a space cleanup satellite. The intent is to eliminate threatening, human-made orbital debris. The worry is not new – there’s lots of clutter to pick and choose from.
28 July 2015, 07:30 AM ET
Measurements by Curiosity's rock-zapping ChemCam laser and another instrument revealed that a chunk of bedrock dubbed Elk contains high levels of silica and thus is a good candidate to preserve ancient organic molecules, if any exist in the area.
28 July 2015, 07:04 AM ET
See how Switzerland plans to clean up space junk using a small claw-equipped satellite.
28 July 2015, 07:00 AM ET
A new image captured by NASA's Cassini spacecraft highlights an impact basin on the Saturn moon Tethys. Called Odysseus, the 280-mile-wide (450 kilometers) impact basin is nearly half as wide as the satellite itself.
28 July 2015, 03:23 AM ET
You've been blown out your spaceship's airlock without a spacesuit — now what?
27 July 2015, 11:20 PM ET
A number of prominent scientists have signed on to a letter warning that autonomous weapons should be banned.
27 July 2015, 10:57 PM ET
It took almost a decade for NASA’s New Horizons spacecraft to navigate its way across the solar system. Was it worth the wait?
27 July 2015, 05:50 PM ET
Scientists and engineers had to work at breakneck speed to get New Horizons launched during a brief window in January 2006, or the probe's highly anticipated Pluto encounter would have been pushed into 2016 at the earliest.
27 July 2015, 05:49 PM ET
With all the news about Pluto this month, most skywatchers may not be aware that Ceres, the brightest and nearest of the dwarf planets, reached its opposition to the sun on Saturday (July 25).
27 July 2015, 04:01 PM ET
The definition of "Blue Moon" has evolved slowly to the modern "2nd full moon in a month" formulation. But what sky-watchers usually see is the same old grayish-white – unless a volcanic eruption filters the Sun’s reflected light. Science@NASA explai
27 July 2015, 03:30 PM ET
The dream of returning humans to the moon could become a reality for the relatively low price of $10 billion, as long as NASA is willing to buy from private spaceflight companies, a new report shows.
27 July 2015, 03:20 PM ET
The UK Space Agency has released its National Strategy for Space Environments and Human Spaceflight. This strategy covers a range of scientific and technical disciplines, giving a picture for activities that use the space environment.
27 July 2015, 03:16 PM ET
Like Scotty pulling a bit of extra power out of the Enterprise, the "Star Trek: Axanar" fan film easily warped past its initial $250,000 goal this weekend. Now, its creators plan to ask an old "Star Trek" ally for help.
27 July 2015, 02:00 PM ET
A United Launch Alliance Delta IV Medium rocket will launch the seventh Wideband Global SATCOM (WGS-7) mission for the U.S. Air Force on July 23, 2015, from Cape Canaveral Air Force Station, Florida.
27 July 2015, 12:02 PM ET
The Perseid meteor shower will peak on Aug. 12th and 13th with raining debris from Comet Swift-Tuttle. Venus and Mars make an appearance in the morning sky, and Saturn is an evening planet. Also, Cygnus (the Swan) and Lyra (the small harp)...
27 July 2015, 11:45 AM ET
NASA astronaut Scott Kelly is one of two people trying to last a year in space. These are some of his best pictures so far.
27 July 2015, 10:11 AM ET
Weak solar activity could slowly fire up the ocean circulation mechanism, increasing the amount of warm water and air flowing to Greenland.
27 July 2015, 09:47 AM ET
On the Hubble Servicing Mission 4, astronaut Mike Massimino encountered a screw that refused to budge. The now infamous screw, which was attached to a handle of the space telescope that needed to be removed, caused some anxiety in 2009.
27 July 2015, 08:52 AM ET
Atmospheric pressure at the surface of the icy dwarf is surprisingly low. Previous Earth-based estimates were more than double New Horizons’ reading.
27 July 2015, 07:31 AM ET
An Arctic crater holds promise for figuring out how to spot something interesting on the moon or Mars, an astronaut says.
27 July 2015, 07:00 AM ET
NASA's planet-hunting Kepler space telescope continues to zero in on the first "alien Earth" despite being hobbled by a glitch more than two years ago. The mission's huge dataset should keep researchers busy for decades, team members say.
27 July 2015, 06:00 AM ET
The famous bright spots at the bottom of Ceres' Occator crater appear to be sublimating material into space, creating a localized atmosphere within the walls of the 57-mile-wide (92 kilometers) hole in the ground, new observations by NASA's Dawn spacecraf
26 July 2015, 06:00 AM ET
Planet like an older Earth is found, Stephen Hawking signs on to an ambitious search for extraterrestrial life and a faulty strut is proposed as the cause of SpaceX's rocket explosion in Space.com's top news stories of the week.
26 July 2015, 06:00 AM ET
From amazing new views of Pluto's glaciers and mountains to artist's depictions of newfound "Earth cousin" Kepler-452b and photos of sunspots captured from Mars by NASA's Curiosity rover, don't miss these stunning space images.
24 July 2015, 05:14 PM ET
The U.S. Air Force successfully launched the latest addition to a multisatellite military communications array. The launch also marked the first use of a new main engine meant to standardize Delta IV launch vehicle configurations.
24 July 2015, 04:08 PM ET
Amazing new photos of Pluto from NASA's New Horizons spacecraft show a dwarf planet covered in rugged terrain, exotic flowing ices and a hazy atmosphere. NASA unveiled the new discoveries on July 24, 2015.
24 July 2015, 04:03 PM ET
NASA New Horizons' principal investigator Alan Stern and co-investigator Michael Summers break down the new discoveries at a press conference on July 24th, 2015.