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11 September 2014, 12:31 PM ET
Venus does not have a magnetic field and is pounded by solar wind. NASA researchers have found clues that the Sun's magnetic field lines are behind the hole formations.
11 September 2014, 12:12 PM ET
Selfies can even be taken in deep space. The European Space Agency's comet-chasing Rosetta probe's Philae lander snapped a stunning photo of the spacecraft and its target comet, 67P/Churyumov–Gerasimenko.
11 September 2014, 12:00 PM ET
Former NASA astronaut Frank Culbertson, who was in space on Sept. 11, 2001, reflects on witnessing the attacks from orbit 13 years later.
11 September 2014, 09:55 AM ET
NASA's Interface Region Imaging Spectrograph (IRIS) mission can only study small areas of the Sun's surface at a time. This week’s mission planner pointed the probe at promising sunspot AR2158 just in time for an X1.6-class flare.
11 September 2014, 07:12 AM ET
A team of researchers has delineated the "Venus Zone," the range of distances from a host star where planets are likely to resemble Earth's similarly sized sister planet, which has been rendered unlivably hot due to a runaway greenhouse effect.
11 September 2014, 07:00 AM ET
Call him the Instagram astronaut. NASA astronaut Steve Swanson has been beaming back incredible views from the International Space Station via Instagram since he flew up to the orbiting outpost about six months ago.
11 September 2014, 07:00 AM ET
The sun fired off strong flares Tuesday and Wednesday from a sunspot known as Active Region 2158, which will be the focus of a free webcast hosted today at 1 p.m. EDT by the online Slooh Community Observatory. Watch it here on Space.com.
11 September 2014, 07:00 AM ET
The U.S. Air Force is using a new tool in its effort to preserve space history: lasers. The 45th Space Wing is using a laser scanner to create virtual models of the Cape Canaveral space launch complexes in partnership with the University of South Florida.
11 September 2014, 12:00 AM ET
See amazing images of the night sky and cosmos in Space.com's gallery of cosmic images posted in August 2014.
10 September 2014, 10:30 PM ET
A Russian Soyuz capsule carrying American Steve Swanson, commander of the orbiting lab's Expedition 40, and cosmonauts Alexander Skvortsov and Oleg Artemyev touched down safely on the steppes of Kazakhstan at 10:23 p.m. EDT Wednesday.
10 September 2014, 10:21 PM ET
This space wallpaper from the NASA/ESA Hubble Space Telescope shows the galaxy cluster MCS J0416.1–2403.
10 September 2014, 09:59 PM ET
Buzz Aldrin, whose accolades include being the second out of only 12 astronauts to walk on the moon, can now add being one of the 25 greatest guest stars on 'The Simpsons,' at least as immortalized in a new line of toy action figures.
10 September 2014, 05:24 PM ET
The sun unleashed an X-class solar flare — the most powerful type — at 1:45 p.m. EDT today from an Earth-facing sunspot known as Active Region 2158. The flare poses no danger to anyone here on Earth, and orbiting astronauts are safe as well.
10 September 2014, 03:25 PM ET
Sunspot AR2158 produced a X1.6-class flare on September 10th, 2014. The site of the blast faced where Earth would be if a coronal mass ejection (CME) was emitted. Imagery not yet fully returned from orbiting observatories will be checked for this.
10 September 2014, 03:23 PM ET
The moon will wow stargazers with a total lunar eclipse on Oct. 7 and 8, but you don't have to wait to start preparing for the event. The pre-dawn moon on Thursday, Sept. 11, will be in the same position as on Oct. 8, offering a dress rehearsal for the lu
10 September 2014, 02:29 PM ET
As the moon moves in its orbit around the Earth, it inevitably passes in front of many stars and planet and Uranus will find itself in the moon's crosshairs tonight (Sept. 10).
10 September 2014, 01:45 PM ET
Quasars are the brightest objects in the universe, and display a mysterious diversity in their appearance that have puzzled astronomers for more than two decades. Now, scientists think they have a method for solving that mystery.
10 September 2014, 01:20 PM ET
Having traveled 25 miles since landing in 2004, the long-lived NASA rover snapped an image that included several hundred yards of its tracks as it rolled along the rim of Along the rim of Mars Endeavour Crater on Mars.
10 September 2014, 12:53 PM ET
A tour of nearby cool objects takes us to W0855 which, researchers believe, has water and sulfides in its atmosphere. The icy body is as cold as the North Pole and 3 to 10 times larger than Jupiter.
10 September 2014, 10:53 AM ET
A trio of space travelers will return to Earth tonight (Sept. 10) to end a months-long expedition to the International Space Station, and you can watch the landing live online. The crew is due to land at 10:23 p.m. EDT (0223 GMT).
10 September 2014, 10:34 AM ET
A prototype was created by researchers at NASA's Jet Propulsion Laboratory and Brigham Young University. They could be "useful one day in utilizing space solar power for Earth-based purposes" according to NASA.
10 September 2014, 07:25 AM ET
NASA has chosen four private companies to fly experiments high into Earth's atmosphere.
10 September 2014, 07:02 AM ET
Stunning new photos taken by a telescope in Chile show an incredible grouping of stars that may help scientists solve a stellar conundrum.
10 September 2014, 07:00 AM ET
A New York Fashion Week event will showcase a line of silk scarves artfully printed with free-to-use images taken by NASA spacecraft like the Hubble Space Telescope and Mars Reconnaissance Orbiter.
10 September 2014, 06:45 AM ET
An excerpt from "Curiosity," Rod Pyle's new book about NASA's $2.5 billion Mars Science Laboratory mission.
10 September 2014, 06:45 AM ET
The European Space Agency's Cooperative Adventure for Valuing and Exercising human behaviour and performance Skills (CAVES) course, which helps astronauts and support staff prepare for the rigors of a space mission, kicked off this week in Italy.
10 September 2014, 06:00 AM ET
The cluster is located about 90,000 light years away in the Sagittarius Dwarf Galaxy. Astronomers using Europe's Very Large Telescope (VLT) in Chile have been observing the cluster to measure levels of the element lithium in its stars.
10 September 2014, 12:44 AM ET
This space wallpaper from the Wide Field Imager on the MPG/ESO 2.2-metre telescope at ESO’s La Silla Observatory in Chile shows two dramatic star formation regions in the southern Milky Way.
09 September 2014, 04:00 PM ET
The Giant Magellan Telescope (GMT) completed several major external reviews earlier this year and is on target to break ground in the Chilean Andes before the end of 2014. The huge scope should begin observing the heavens early in the next decade.
09 September 2014, 02:49 PM ET
When a private spaceship was cremated over Earth earlier this summer, the astronauts living and working on board the International Space Station had a stunning view of the vehicle's fiery demise.
09 September 2014, 01:41 PM ET
Sunspot AR2158 unleashed an M4.6-class flare on September 9, 2014. NASA estimates that the coronal mass ejection (CME) was moving pretty fast. According to Spaceweather.com, "it will deliver a glancing blow to Earth's magnetic field."
09 September 2014, 01:17 PM ET
ESA astronaut Alexander Gerst has been snapping imagery of Earth throughout his stay on the ISS. The space agency's production team created the movie with artistic effects such as light trails, created when superimposing imaging and fading slowly.