18 August 2014, 07:01 AM ET
The existence of medium-size black holes has been a matter of debate. But researchers say they have now confirmed such an object in the nearby galaxy M82 — a black hole about as massive as 400 suns.
15 August 2014, 04:01 PM ET
NASA's next Mars lander, now under construction, will probe the inner workings and early stages of the Red Planet's development billions of years ago.
15 August 2014, 03:44 PM ET
A double-lobed star explosion seen by the Hubble Space Telescope has a more complicated backstory than astronomers ever imagined, according to a 3D model of the ill-fated star's eruption.
15 August 2014, 01:33 PM ET
SN 2014J in the Messier 82 galaxy, one of the nearest Type 1a supernovas in modern times, was watched by telescopes around the world. Chandra X-Ray observations suggest it’s unlikely the burst was caused by matter transfer from a companion star.
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, 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, 02:55 PM ET
NASA's Arctic Radiation IceBridge Sea and Ice Experiment (ARISE) was given less than 7 months to plan and equip a C-130 aircraft for flight in August 2014. This process usually takes over a year.
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.
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.