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24 August 2015, 04:45 PM ET
The Cassini spacecraft recently got its last close views of Dione, a small icy moon orbiting Saturn.
24 August 2015, 03:32 PM ET
NASA's Solar Dynamics Observatory (SDO) captured an image of the flare, which erupted at 3:33 a.m. EDT (0733 GMT) this morning from a sunspot known as active region 2403.
24 August 2015, 03:30 PM ET
Ten years after the devastation caused by Hurricane Katrina, NASA has helped scientists better understand why the storm was so devastating, and how to save lives in the future.
24 August 2015, 01:50 PM ET
Skywatcher Stephen Ippolito captured this image of a harbor seal and the Milky Way while stargazing at Sand Beach in Acadia National Park in Maine.
24 August 2015, 12:51 PM ET
The ancient lunar surface once erupted with geysers of lava — and now, scientists think they know what caused these fiery fountains.
24 August 2015, 12:40 PM ET
See images of the sun's activity during 2015 in our Space.com gallery.
24 August 2015, 12:35 PM ET
Watch the Milky Way rise above the King Range in California in this breathtaking time-lapse sequence.
24 August 2015, 12:30 PM ET
An astronomer and amateur musician has coaxed a haunting melody from a star's distinctive twinkle.
24 August 2015, 11:46 AM ET
27 ‘named storms’ formed over the warm waters of the Atlantic Ocean in 2005, which spawned the most category 5 storms in a single season. NASA and NOAA tracked the paths of these killers. [On average there are only 10 storms per year.]
24 August 2015, 10:12 AM ET
Data from the GOES-5 satellite drove this simulation, illuminating the wind intensities and water vapor transport powering the massive category 5 storm, which ravaged New Orleans, Louisiana and adjoining areas in 2005.
24 August 2015, 07:46 AM ET
A robotic Japanese cargo ship made a special delivery to the International Space Station on Sunday (Aug. 24), ending a four-day trek to ferry tons of food, supplies — and even a mouse habitat and (experimental) liquor — to the orbiting lab.
24 August 2015, 07:40 AM ET
A potential advancement in the United States’ electric propulsion capability for the future of spaceflight is being underscored by a new NASA contract to support work on the VASIMR project - short for the Variable Specific Impulse Magnetoplasma Rocket.
23 August 2015, 03:33 PM ET
Scientists created a "magnetic wormhole" in the lab, a Canadian company got a patent for a huge inflatable space elevator and the mystery of the "singing" comet may be solved. Here are Space.com's top stories of the week.
23 August 2015, 01:58 PM ET
From an incredible photo of strange red "sprites "in Earth's atmosphere to a new low-angle selfie snapped by NASA's Curiosity rover on the foothills of a huge Martian mountain, don't miss these amazing space images.
22 August 2015, 08:33 PM ET
If the weather is clear in your area on tonight (Aug. 22), you'll have an opportunity to see what probably are for most people, the two most popular objects to look at through a telescope: Saturn and the moon.
22 August 2015, 09:00 AM ET
See how photographer Stephen Ippolito captured this amazing view from from Bell Rock in Sedona, Arizona.
21 August 2015, 07:18 PM ET
When the sun sets in the King Range National Conservation Area in far northern CA Coast, the stars really do come out. Watch the Milky Way arc across the sky high above the Pacific fog.
21 August 2015, 06:14 PM ET
Two years from today, on Aug. 21, 2017, North Americans will get an opportunity to observe nature's greatest sky show: a total solar eclipse that will cross the entire continent.
21 August 2015, 05:19 PM ET
Houston, we have a pop band. The hit U.K. boy band One Direction unveiled its latest music video "Drag Me Down" and it has a decisively out-of-this-world vibe thanks to NASA.
21 August 2015, 05:13 PM ET
Learn the latest about Pluto in a live Google Hangout with NASA New Horizons co-lead Richard Benzel, team member Cathy Olkin, and Pluto expert Michael Brown.
21 August 2015, 03:06 PM ET
The spacesuits worn by Neil Armstrong, the first man to walk on the moon, and by Alan Shepard, the first American in space, will be "conserved, digitized and displayed" thanks to the almost 9,500 people who backed the Smithsonian's first Kickstarter campa
21 August 2015, 02:30 PM ET
NASA's Cassini spacecraft flew close to Saturn's moon one final time on Aug. 17, 2015. See the final flyby images here.
21 August 2015, 02:00 PM ET
In a series of high-profile television interviews, astronaut Scott Kelly told reporters about his daily life in space, and his favorite TV shows to watch in orbit.
21 August 2015, 12:08 PM ET
Working from publicly released image data, software engineer Björn Jónsson created this dramatic scene depicting the culmination of Pluto New Horizon’s epic adventure. Atmospheric glow around the night side of Pluto was exaggerated for effect.
21 August 2015, 12:00 PM ET
Japan-based Otsuka Pharmaceutical Co. aims to launch a special "time capsule" can of its Pocari Sweat sports drink to the moon next year. The can will be delivered to the lunar surface aboard Astrobotic Technology's Griffin lander.
21 August 2015, 07:00 AM ET
A strange song radiated by Comet 67P/C-G mystified scientists who first heard it last year. Now, they think they've solved the mystery of the singing space rock.
21 August 2015, 07:00 AM ET
The new calendar features a dozen of the best pictures captured by NASA's Spitzer Space Telescope, which blasted off on Aug. 23, 2003, and continues to observe the heavens today.
21 August 2015, 07:00 AM ET
Galaxies like the Milky Way may not be the best cradles of life in the universe — giant galaxies devoid of newborn stars and at least twice as massive as the Milky Way could host 10,000 times more habitable planets, researchers say.
21 August 2015, 07:00 AM ET
NanoRacks, a Houston-based company that helps commercial companies make use of the space station, has signed an agreement with the Beijing Institute of Technology to fly Chinese DNA research to the orbiting outpost next year.
20 August 2015, 11:34 PM ET
Tokyo-based Suntory Global Innovation Center, which has a division called Suntory Whiskey, launched a set of alcoholic beverages toward the International Space Station on Wednesday (Aug. 19) aboard Japan's HTV-5 freighter.
20 August 2015, 09:03 PM ET
Physicists have created a so-called magnetic wormhole that transports a magnetic field from one point to the other without being detected.
20 August 2015, 08:41 PM ET
A frozen observatory has spotted ghostly, nearly massless particles coming from inside our galaxy and points beyond the Milky Way. Finding these cosmic neutrinos also sheds light on the origins of cosmic rays, the researchers said.