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29 September 2015, 03:39 PM ET
The Art of Ed Belbruno: Exclusive Space.com Event
29 September 2015, 02:31 PM ET
The Google Doodle for today (Sept. 29) features an adorable custom video that celebrates the recent discovery of liquid water on the surface of Mars.
29 September 2015, 02:15 PM ET
Family members of the late Leonard Nimoy — Spock, to millions of "Star Trek" fans — are trying to raise half a million dollars for a documentary about the disease that claimed his life.
29 September 2015, 01:50 PM ET
The twitter account for the upcoming movie "The Martian," due out this Friday (Oct. 2) released a very special video following NASA's announcement of liquid finding water on the surface of Mars.
29 September 2015, 01:30 PM ET
NASA's New Horizons has been squirting its recorded data (to antennas of the Deep Space Network) since the probe’s high speed flyby on 14 July 2015. Features as small as 270 yards (250 meters) across can now be discerned.
29 September 2015, 09:30 AM ET
On the halfway point of his year-long mission in space, NASA astronaut Scott Kelly captured this stunning image of the United States early in the morning.
29 September 2015, 07:00 AM ET
Without giving away too many spoilers about "The Martian," there's a scene in the book (and upcoming movie) in which a dust storm causes damage and knocks an astronaut over. Could that actually happen on the Red Planet?
29 September 2015, 07:00 AM ET
Unusual ripples in Saturn's rings are revealing the mysterious inner workings of the great gas giant.
29 September 2015, 07:00 AM ET
A strong solar flare took out low-frequency radio communications over South America and the Atlantic Ocean earlier today (Sept. 28), and the unstable sunspot is likely to erupt again.
29 September 2015, 07:00 AM ET
The discovery boosts the chances that life may exist today on or near the Martian surface, researchers said. And it makes the outlook for putting boots on the Red Planet, which NASA hopes to do by the end of the 2030s, a bit rosier as well.
28 September 2015, 04:19 PM ET
Scientists have found liquid water on Mars — does it mean life can exist there, too?
28 September 2015, 03:53 PM ET
After decades of speculation, scientists now know for sure that liquid, salty water flows on the surface of Mars. See what the discovery means in our infographic.
28 September 2015, 03:13 PM ET
Mars is all the rage, but will it ever be colonized?
28 September 2015, 02:59 PM ET
Some of the best supermoon photos come from the darkest skies.
28 September 2015, 01:36 PM ET
Crackling with flares for several days, Sunspot AR2422, blew off its strongest to date on Sept. 28th, 2015. The M7-scale event "ionized the top of Earth's atmosphere," according to Spaceweather.com.
28 September 2015, 01:01 PM ET
The enigmatic dark streaks called recurring slope lineae (RSL) that appear seasonally on steep, relatively warm Martian slopes are caused by salty liquid water, researchers said.
28 September 2015, 12:30 PM ET
Recurring dark lines on slopes – seen for more than a decade in photos by Mars orbiting spacecraft – can now be positively attributed to mineral salts precipitating from liquid water.
28 September 2015, 12:02 PM ET
"The Martian" gets astronauts right, suggests AstroCritic and former ISS commander Leroy Chiao.
28 September 2015, 10:39 AM ET
Planetary scientists have determined that recurring slope lineae flowing downhill on Mars formed by the action of contemporary liquid water.
28 September 2015, 02:26 AM ET
A total lunar eclipse will spawn a rare ‘supermoon’ blood moon on Sept. 27, 2015. See our complete coverage of the total eclipse of the moon.
28 September 2015, 02:10 AM ET
On Sunday evening, a moon that appeared abnormally large and bright in Earth's skies dove into the planet's shadow, turning a gorgeous reddish-gold in the process. It was the first supermoon total lunar eclipse since 1982, and the last until 2033.
28 September 2015, 01:37 AM ET
A rare 'supermoon' blood moon lunar eclipse occurred on Sept. 27, 2015. See amazing photos of the lunar sight by skywatchers here.
27 September 2015, 07:33 PM ET
Super Moon In My Room by Uncle Milton is the latest in a series of wall-mounted lamps that mimic a planetary body. See our full review here.
27 September 2015, 11:31 AM ET
About 70 percent of the country will be able to get a good view of the supermoon total lunar eclipse tonight (Sept. 27), according to weather forecasts. But observers in much of the Eastern U.S. may be out of luck.
27 September 2015, 11:02 AM ET
As you watch and enjoy the total eclipse of the Harvest Full Moon, read on below to see 10 things about this shady little drama that might surprise you.
27 September 2015, 07:54 AM ET
During the total lunar eclipse tonight (Sept. 27), the full moon will shine as a traditional "harvest moon." See where the harvest moon full moon gets its name.
27 September 2015, 07:01 AM ET
To see this weekend's lunar eclipse, check out the webcast by the Slooh Community Observatory, which you can watch live right here on Space.com
27 September 2015, 06:50 AM ET
Researchers and NASA officials will unveil the discovery — which the agency described in a media advisory as a "Mars mystery solved" — during a press conference Monday at 11:30 a.m. EDT. You can watch it live here on Space.com, courtesy of NASA TV.
27 September 2015, 12:57 AM ET
The origin of life is still an unsolved riddle. How were life's building blocks first assembled?
26 September 2015, 08:13 AM ET
Veteran astrophotographers Imelda Joson and Edwin Aguirre give tips on how to photograph sunday’s total lunar eclipse.
26 September 2015, 07:27 AM ET
A lunar eclipse provides spectacular viewing opportunities for everyone, from amateur skywatchers to experienced observers — read on to learn how to describe what you see.
26 September 2015, 07:25 AM ET
A gorgeous spherical lamp called Luna lets you bring a moon replica straight into your home.