15 August 2014, 06:55 AM ET
NASA's NuSTAR probe looked on as a mysterious X-ray source called a corona moved closer to a supermassive black hole over a few days. The black hole's immense gravity stretched and blurred the X-ray light in the process, researchers said.
15 August 2014, 06:50 AM ET
Break out your red and blue 3D glasses. It's time to examine the nooks and crannies of a comet in three dimensions.
14 August 2014, 10:19 PM ET
ESA's Eurobot was taken for a spin in Germany by astronaut Alexander Gerst, who was aboard the International Space Station. The test drive was part of a trial of new communications and operations technology.
14 August 2014, 09:59 PM ET
In July 2014, the private space company's Falcon 9 rocket launched six ORBCOMM OG2 satellites. It also tested its reusable first stage technology. A chase plane was on hand to capture its fall through the atmosphere and seconds before splashdown.
14 August 2014, 05:30 PM ET
As the European-built Rosetta spacecraft neared its close encounter with a comet last week, it turned up a cosmic surprise: The comet is warmer than scientists were expecting.
14 August 2014, 05:15 PM ET
A movie adaptation of the science fiction thriller "The Martian" written by Andy Weir is set to hit the silver screen next year.
14 August 2014, 03:49 PM ET
It was not quite the blast off, but a full-size, replica space shuttle rose into the sky over Houston to be mounted on top of a historic NASA jumbo jet.
14 August 2014, 02:23 PM ET
Through the analysis of light from distant galactic clusters, astronomers have detected a mysterious signal that they're having a hard time explaining.
14 August 2014, 02:01 PM ET
NASA's Stardust spacecraft may have returned the first interstellar dust particles to Earth.
14 August 2014, 02:01 PM ET
Seven tiny grains of rock captured by NASA's comet-chasing Stardust probe in 2004 may be visitors from the vast reaches of interstellar space, researchers say.
14 August 2014, 02:01 PM ET
Scientists have created the first 3D map of a type of astronomical interference that has puzzled astronomers for nearly a century. The new map could help scientists finally nail down what causes the interference.
14 August 2014, 11:48 AM ET
ESA's Rosetta mission delivered highly detailed imagery of comet 67P/Churyumov–Gerasimenko on August 7th, 2014. The probe's OSIRIS narrow angle camera was used to capture the image.
14 August 2014, 10:15 AM ET
As a vintage spacecraft soars out of Earth's vicinity, the private team working with it plans to use the probe for solar science for as long as they can.
14 August 2014, 06:55 AM ET
A swarm of twinkling old stars shines in a new view from NASA's Hubble Space Telescope. This globular cluster, dubbed IC 4499, lies on the outskirts of the Milky Way.
14 August 2014, 06:46 AM ET
Researchers discovered that 64 astronauts on board 80 space shuttle missions, and 21 astronauts on the International Space Station slept for just six hours per night on average, even though their schedules called for 8.5 hours of slumber.
14 August 2014, 12:03 AM ET
Call it a case of Mars rock and roll ... literally. NASA's Mars Reconnaissance Orbiter has snapped an amazing photo of the track left by a boulder rolling down a slope on Mars.
13 August 2014, 05:45 PM ET
Astrophotographer Giuseppe Petricca captured the colorful conjuction of the moon, Mars and Spica in this image.See how astrophotographer Giuseppe Petricca captured the photo here.
13 August 2014, 05:42 PM ET
NASA's Orbiting Carbon Observatory-2, which blasted off July 2, arrived in its final orbit 438 miles above the Earth on Aug. 3. The satellite then collected its first test data three days later while flying over Papua New Guinea.
13 August 2014, 05:30 PM ET
These shots of the Martian surface from orbit show our planetary neighbor as never before.
13 August 2014, 04:21 PM ET
Intrepid photographers in dark parts of the world managed to capture some stunning photos of the Perseid meteor shower as it hit its peak, despite the bright light of a nearly full moon.
13 August 2014, 04:00 PM ET
This image was taken by astrophotographer Amit Kamble from a dark sky site near Foxton, New Zealand on July 27. See how he did it here.
13 August 2014, 02:49 PM ET
DigitalGlobe's WorldView-3 spacecraft, which can resolve features as small as 1 foot (31 centimeters) across, lifted off atop a United Launch Alliance Atlas 5 rocket from Vandenberg Air Force Base in California at 2:30 p.m. EDT Wednesday.
13 August 2014, 01:01 PM ET
An asteroid on NASA's list of potential impact threats to the Earth is actually a pile of loosely connected rubble held together by forces weaker than the weight of a penny, scientists say.
13 August 2014, 12:47 PM ET
The NASA All-Sky Fireball Network captured 2 meteors from the annual shower burning up in the atmosphere nearly simultaneously. It occurred in the early morning hours of August 13th, 2014.
13 August 2014, 11:01 AM ET
Chemicals once found in hairspray may serve as signs of alien life on faraway worlds, researchers say. These compounds may reveal that extraterrestrials have disastrously altered their planets.
13 August 2014, 11:00 AM ET
Small 'nanoflares' erupting from the sun might be the key to unlocking a cosmic mystery, according to a new study.
13 August 2014, 10:42 AM ET
Scott Kelly is just 7 months from becoming the first NASA astronaut to spend a year in space. Well, maybe not a full year, at least according to the current schedule, but that's not stopped Kelly and his crewmate Mikhail Kornienko from designing a one-yea
13 August 2014, 08:01 AM ET
A new three-part series set to air its first episode Wednesday (Aug. 13) will reveal more about humanity's ever-expanding place in the universe.
13 August 2014, 07:00 AM ET
Cassini looked on last month as methane clouds floated above Ligeia Mare, a big hydrocarbon sea near Titan's north pole. Few clouds had been seen on Titan since 2010, so researchers are trying to gauge the significance of the new observations.
12 August 2014, 05:35 PM ET
Apollo 11 moonwalker Buzz Aldrin paid his respects to comedian Robin Williams today with a post on Facebook. The Oscar-winning actor was found dead of an apparent suicide in his home in California on Monday (Aug. 11). He was 63 years old.
12 August 2014, 04:25 PM ET
The actor/comedian recorded a wake-up call for the STS-26 crew that was relayed on September 30th, 1988 by CAPCOMs Kathy Sullivan (standing) and Kathy Thornton (seated on console). Full Story: http://goo.gl/cQDaQN
12 August 2014, 04:11 PM ET
The international Cassini-Huygens mission scanned a gathering cloud mass over the methane sea known as Ligeia Mare on Saturn’s largest moon Titan between July 20th and 22nd 2014. Full Story: http://goo.gl/gIb2r9