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
12 August 2014, 02:50 PM ET
The dazzling Perseid meteor shower has not yet reached its peak, but NASA cameras planted on the ground in the United States have already witnessed some early fireballs streaking across the summer sky.
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, 12:04 PM ET
The U.S. Navy has honored the nation's first woman in space, christening its new ocean research ship after the late astronaut Sally Ride.
12 August 2014, 11:29 AM ET
Robin Williams, an Oscar-winning actor best known for his comedic work, died yesterday (Aug. 11) of an apparent suicide at 63 years old. In 1988, Williams helped to wake up the crew of NASA's space shuttle Discovery to start their morning work.
12 August 2014, 10:35 AM ET
Google is paying tribute to the annual Perseid meteor shower — peaking tonight (Aug. 12) — with a special doodle honoring the usually spectacular cosmic display.
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, 10:06 AM ET
Astronaut candidates have to undergo a psychological evaluation to determine if they have what it takes to fly on a NASA mission. How does the agency choose people with the right stuff?
12 August 2014, 10:00 AM ET
The European Space Agency's fifth Automated Transfer Vehicle (ATV-5) joined up with the station at 9:30 a.m. EDT (1330 GMT) Tuesday (Aug. 12). Its visit is the last by the ATV line of spacecraft, which has been resupplying the orbiting lab since 2008.
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.
12 August 2014, 07:00 AM ET
The Perseid meteor shower should be most spectacular late Tuesday into early Wednesday, experts say. You can watch live feeds of the Perseids here at Space.com starting at 7 p.m. EDT Tuesday, courtesy of the Slooh Community Observatory and NASA.
11 August 2014, 05:12 PM ET
The Space Camp Hall of Fame, founded in 2007, added three new members to its ranks. The 2014 class includes astronaut Samantha Cristoforetti, former astronaut trainer Michelle Ham and the founder of Space Camp Turkey, Kaya Tuncer.
11 August 2014, 05:03 PM ET
The Perseid meteor shower will reach its peak overnight on Tuesday (Aug. 12) and early Wednesday morning.
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, 04:20 PM ET
All-Sky (ultra wide-field) cameras, in 6 U.S. locations, captured the incandescent death of multiple meteors from the annual shower (peaks August 11-13, 2014). Though post “Supermoon,” the still-bright satellite will reduce meteor strike visibility.
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.
11 August 2014, 10:52 AM ET
Photographers around the world ventured outside Sunday (Aug. 10) to snap photos of the bright, full 'supermoon' rising in the night sky.
11 August 2014, 07:00 AM ET
Astrophotographer Miguel Claro took this image on July 27 from Monsaraz in the Dark Sky Alqueva Reserve located near Alentejo, Portugal. See how he did it.
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.
10 August 2014, 06:52 AM ET
The largest full moon of 2014 rises today (Aug. 10), and even if you don't have a clear view of the sky, you can still catch the cosmic action live online.
09 August 2014, 08:26 AM ET
NASA and other scientists are touting the August full moon on Sunday (Aug. 10) as the biggest full moon of 2014, but is it really that super? Space.com skywatching columnist Joe Rao takes a close look at the definition.
08 August 2014, 06:31 PM ET
Space.com’s Miriam Kramer talks with NASA’s Noah Petro about the Perigee Moon of 10 August 2014
08 August 2014, 06:04 PM ET
An amazing new video from NASA shows viewers the ups and downs of the first test of a system that could one day help the space agency land huge spacecraft on Mars or other planets.
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.