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.
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, 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, 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, 08:01 AM ET
A special U.N. action team has recommended the creation of an international warning network, which would gather and analyze asteroid data and provide timely warnings to national authorities if a potentially hazardous space rock were to threaten Earth.
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, 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
12 August 2014, 03:42 PM ET
In the premiere episode of the Science Channel show, the Lunar X-Prize competition is profiled and the Moon's abundant resources are described. (Airs August 13th, 2014)
12 August 2014, 02:00 PM ET
An extraordinary amount of ultraviolet light appears to be missing from the universe, scientists have found.One potential source of this missing light might be the mysterious dark matter that makes up most of the mass in the cosmos.
12 August 2014, 10:08 AM ET
Launched on a sounding rocket to ~200,000ft., NASA's Extreme Ultraviolet Normal Incidence Spectrograph (EUNIS) observed superheated material (10M°K) consistent only with theoretical “nanoflares,” which quickly cool to the corona’s ~2M° average.
12 August 2014, 09:36 AM ET
See photos of the mysterious tilted planet Uranus.
12 August 2014, 09:30 AM ET
Planck space telescope created a cosmic map of variations in the cosmic microwave background (CMB) radiation, but it may contain errors.
12 August 2014, 09:00 AM ET
A telescope on Earth has spotted huge storm systems brewing on the planet Uranus. Scientists using the Keck Observatory in Hawaii have recently seen a number of storms develop on the planet.
11 August 2014, 04:35 PM ET
The New Horizons probe used its onboard telescope to record a video of Charon orbiting Pluto. The movie is composed of 12 individual images taken July 19-24 — one year before the spacecraft's flyby of the distant dwarf planet.
11 August 2014, 03:00 PM ET
To capture celestial conjunctions, you only need a tripod and camera.
11 August 2014, 11:17 AM ET
NASA’s New Horizons snapped the big dwarf planet and its nearby moon for 5 days (July 19th-24th, 2014). Charon is 750 - 753 miles diameter, the largest known compared to the size of its host planet. Some consider Pluto-Charon a binary planet.
10 August 2014, 09:07 AM ET
A 36-year-old NASA spacecraft will begin a new interplanetary science mission today (Aug. 10) when it makes a close pass by the moon. You can watch the lunar flyby live online at 1:30 p.m. EDT. Here's how to watch.
08 August 2014, 04:30 PM ET
NASA has selected its latest batch of high-tech ideas for the future of space exploration, with the agency funding five bold concepts that range from an innovative asteroid-mapper to a colossal "orbiting rainbow" that could see objects in ultradeep space.
08 August 2014, 07:00 AM ET
Clouds of gas among the stars of one of the closest galaxies to the Milky Way are revealed in an incredible new image, one of the most detailed wide-angle views ever taken.
07 August 2014, 02:01 PM ET
The solar system coalesced from a huge cloud of dust and gas that was isolated from the rest of the Milky Way galaxy for up to 30 million years before the sun's birth, a new study published online today (Aug. 7) in the journal Science suggests.
07 August 2014, 02:01 PM ET
Black holes may have grown incredibly rapidly in the newborn universe, perhaps helping explain why they appear so early in cosmic history. Early black hole may have sucked matter in from all around, rather than just from an accretion disk.
07 August 2014, 07:01 AM ET
Alien planets could host life well into their old age if they have companion worlds tugging at them, researchers say.
07 August 2014, 03:27 AM ET
Space may seem calm, but it is a more hostile environment than that on Earth.
06 August 2014, 05:00 PM ET
The full-length trailer for the Hawking biopic, which is called "The Theory of Everything," came out today (Aug. 6). The 2.5-minute trailer shows that the film will focus heavily on the relationship between Stephen Hawking and his first wife Jane.
06 August 2014, 01:22 PM ET
If you're a fan of the "Face on Mars," then you might just have a new best friend. A new photo from Europe's Rosetta spacecraft has captured what appears to be a face on a comet in deep space, even if it's only a fun optical illusion.
06 August 2014, 01:01 PM ET
The most powerful supernovas in the universe may not always kill an exploding star, but instead leave behind a remnant 'zombie star,' astronomers say.
06 August 2014, 06:40 AM ET
“Are we there yet?” Excerpted from ESA’s live broadcast during the tense moments leading up to confirmation of a successful rendezvous, here’s a brief history of the Rosetta Mission; a brilliant success 20 years in the making.
06 August 2014, 06:19 AM ET
“We’re there!” Excerpted from ESA’s live broadcast, this was the moment on 6 August 2014 when the Rosetta Mission team learned their spacecraft had successfully achieved a meet-up with comet 67P Churyumov-Gerasimenko
06 August 2014, 04:45 AM ET
You are sailing across 3 million light years to Messier 33 in this view from the VLT Survey Telescope (VST) at ESO’s Paranal Observatory in Chile. Sparking with star clusters and red gas, the Triangulum Galaxy is 2nd closest spiral to our Milky Way.