16 July 2014, 01:38 PM ET
Researchers have studied imagery from ESA/NASA Solar and Heliospheric Observatory (SOHO) spacecraft and concluded that the comet stopped producing gas and dust shortly before it past the Sun. In other words, ISON was DOA.
16 July 2014, 01:00 PM ET
NASA has issued an open call for designs of scientific instruments to send on a future mission to explore Jupiter's moon Europa.
16 July 2014, 11:00 AM ET
Seasonal changes in the gullies of Mars reveals that dry ice rather than flowing water is responsible for their creation.
16 July 2014, 11:00 AM ET
A private group has a backup plan for a vintage NASA spacecraft after reconsidering initial suspicions that it was out of gas. See how the ISEE-3 Reboot Project is tapping the minds of the crowdsourcing 'Borg' to find alternative.
15 July 2014, 07:09 PM ET
Talk about a speed bump. NASA's Mars rover Curiosity has discovered its first meteorite on the Red Planet, and it's no puny space rock. See the Martian meteorite photos here.
15 July 2014, 08:00 AM ET
NASA's New Horizons mission will be within 6,214 miles (10,000 km) from the surface of the dwarf planet on July 14, 2015. Similar cameras on a probe that close to Earth would be able to resolve individual building and their shapes.
15 July 2014, 07:00 AM ET
While NASA's James Webb Space Telescope will be capable of finding signs of life on nearby exoplanets after its 2018 launch, a bona fide hunt for aliens beyond Earth's neighborhood will require even bigger instruments, experts say.
14 July 2014, 10:30 PM ET
The Mars map, which was released Monday (July 14), was created using observations from four orbiting spacecraft over more than 16 years. It should significantly advance scientists' understanding of the Red Planet, researchers said.
14 July 2014, 04:38 PM ET
The U.S. Geological Survey compiled data from four orbiting spacecraft watching over more than 16 years to reveal the materials, events, and processes that made the present day face of Mars.
13 July 2014, 12:21 PM ET
See amazing photos of the 'supermoon' full moon of July 12, 2014 as seen by stargazers around the world in this Space.com gallery. It was the first of three supermoons in July, August and September.
13 July 2014, 06:07 AM ET
What was your favorite space news story of the last week?
12 July 2014, 08:01 AM ET
The 1-ton Curiosity rover has now cruised out of its landing ellipse, the area — about 4 miles wide by 12 miles long (7 by 20 kilometers) — regarded as safe ground for its August 2012 touchdown within Mars' huge Gale Crater, NASA officials said.
12 July 2014, 07:27 AM ET
Learn what makes a big full moon a true 'supermoon' in this SPACE.com infographic.
11 July 2014, 09:41 PM ET
From flaming rocket debris to a typhoon's eye, don't miss these amazing space images of the week for July 11, 2014.
11 July 2014, 07:30 AM ET
Recent photos snapped by the European Space Agency's Rosetta spacecraft suggest that its target comet, known as 67P/Churyumov-Gerasimenko, is a lumpy object sporting three large structures, or perhaps a deep hole.
11 July 2014, 01:19 AM ET
A comet-galaxy conjunction is a rare opportunity for amateur astronomers.
10 July 2014, 05:40 PM ET
The curly string is about 100,000 light-years long and sports blue "pearls" — actually huge young star clusters — every 3,000 light-years along the way, researchers said. You can zoom in on the beautiful structure, and learn more about it, in this new Hub
10 July 2014, 03:08 PM ET
Like "beads on a string" star formation can be compared to droplets of rain New imagery from the Hubble Space Telescope merging elliptical galaxies reveals 19 compact clumps of young stars making up the string. FULL STORY: http://goo.gl/nWUiIt
10 July 2014, 06:24 AM ET
Violent supernova explosions create massive grains of cosmic dust large enough to survive the harsh environment of space.
10 July 2014, 06:00 AM ET
Astronomers have found the farthest-flung stars yet known in the Milky Way. The two objects lie at least 775,000 light-years away, making them both about five times more distant than the Large Magellanic Cloud, a satellite galaxy of the Milky Way.
09 July 2014, 10:02 PM ET
A galaxy more than 12 billion light years from Earth is heading for a “red and dead” future because it is running out of the fuel needed to make new stars.
09 July 2014, 04:52 PM ET
Do you want to help name an alien planet? Starting next year, space fans around the world will get the chance to vote on their favorite names for exoplanets and the planets' host stars.
09 July 2014, 04:13 PM ET
As a storm in the Pacific Ocean grew to a super typhoon and was downgraded again to a typhoon, watchful astronauts on the International Space Station kept people apprised of its progress through social media.
09 July 2014, 03:28 PM ET
The private team operating NASA's ISEE-3 spacecraft aimed to fire its engine seven times on Tuesday to change the probe's trajectory. While the first burn went as planned, the group encountered problems with the second one.
09 July 2014, 01:43 PM ET
In Homer Hickam's "Helium-3" sci-fi novels, the characters
09 July 2014, 12:22 PM ET
Crater Trueblood has his hands full in Homer Hickam's third "Helium-3" novel.
09 July 2014, 07:32 AM ET
If there were mechanics on Mars, NASA may have taken the Curiosity rover into the shop by now. The 1-ton robot has accumulated quite a bit of wheel damage since touching down inside Gale Crater in August 2012.
08 July 2014, 07:00 PM ET
A NASA spacecraft exploring Saturn and its many moons has captured an incredible photo of the planet's swirling vortex, weird hexagon and distinctive rings.
08 July 2014, 03:49 PM ET
On 12 July, 10 August and 9 September 2014, a full moon will occur when the satellite is closest to Earth in orbit. Called a ‘perigee moon’ its brightness is increased and size enlarged due to proximity to Earthbound skywatchers.
08 July 2014, 03:38 PM ET
An M6-class flare erupted from sunspot AR2113 on July 8th, 2014. NASA's Solar Dynamics Observatory captured the fireworks in multiple wavelengths.
08 July 2014, 02:05 PM ET
The 30-minute webcast, which is called "Spotlight Live: The Hunt for Other Worlds Heats Up," begins at 3:00 p.m. EDT Wednesday. You can watch it live here on Space.com, courtesy of the nonprofit Kavli Foundation, which is hosting the discussion
08 July 2014, 02:00 PM ET
A NASA probe recently spotted the dazzling Pan-STARRS comet as it hurtled through space against the backdrop of a distant galaxy.