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31 March 2014, 04:47 PM ET
The fourth episode of "Cosmos: A Spacetime Odyssey" let viewers encounter those celestial mysteries in a way that takes them beyond their own experience.
31 March 2014, 04:34 PM ET
The engines of NASA's space shuttle will be reborn for the space agency's newest rocket, designed to take humans deeper into space than ever before.
31 March 2014, 03:20 PM ET
The constellations of Ursa Major (the ‘Big Dipper') and Leo hold a bevy of skywatching goodness this month. Find out how to see the 'Leo Tripet’ of galaxies, plus the double star systems of Mizor and Alcor, and more.
31 March 2014, 03:05 PM ET
You could call it one small step for a ship, one giant leap for oceanographic research. The Navy named the first of a new class of research vessels after the first man to walk on the moon, astronaut Neil Armstrong, at a ceremony in Anacortes, Wash.
31 March 2014, 02:48 PM ET
Red Mars' close encounter with Earth, a 'red moon' total lunar eclipse (visible from North America) and the Lyrid meteor shower will highlight the month of April 2014. Also, the mornings and evenings will showcase Jupiter, Saturn and Venus.
31 March 2014, 02:46 PM ET
Scientists are using data gathered by NASA's twin Van Allen Probes, which launched to Earth orbit in August 2012, in concert with advanced computer models, to simulate the dynamic radiation environment of near-Earth space, two new studies report.
31 March 2014, 02:02 PM ET
On March 31st, 2014, NASA's Solar Dynamics Observatory captured an M1.4-class flare erupting from sunspot AR2014. During the flare, plasma erupted and was sucked backed into the Sun.
31 March 2014, 01:03 PM ET
Imagine a space colony cut-off from Earth for 160 years. All its citizens are the descendants of a white man from Brooklyn NY and a black woman from South London. Chris Beckett's "Dark Eden" guesses at how their language sounds after all that time.
31 March 2014, 01:01 PM ET
NASA technicians at the Jet Propulsion Laboratory inspect and repair damage inside the Huygens probe before its successful launch.
31 March 2014, 12:26 PM ET
The sun unleashed a major solar flare Saturday (March 29) that sparked a radio blackout on Earth. See video of the huge X1-class solar flare here.
31 March 2014, 11:57 AM ET
A close look by NASA's Chandra X-ray Observatory at the debris field of supernova explosion DEM L241 in the Large Magellanic Cloud has revealed a young star tightly orbiting either a tiny neutron star or a black hole. Read more: http://goo.gl/xT14vA
31 March 2014, 11:03 AM ET
Scott Kelly has just one year left on Earth. An experienced NASA astronaut and half of the first pair of twins to fly into space, Kelly will leave the planet in 2015 to become the first U.S. astronaut to log a year in space.
31 March 2014, 10:22 AM ET
The Stanford University physicist appeared overwhelmed after learning that a team of astronomers had more or less confirmed the theory of cosmic inflation, which Linde helped refine in the early 1980s after it was originally proposed by Alan Guth.
31 March 2014, 10:20 AM ET
An international team based at Cambridge U. has shown how the Sun’s twisting magnetic field lines slip, reconnect, tighten and snarl into a characteristic ’S’ shape. Knowing how such titanic energies build may better predict dangerous larges flares.
31 March 2014, 09:50 AM ET
Mars and Earth will only be 92 million miles apart at closest encounter in April 2014, called ‘opposition’. Mars will appear red-gold, glowing brighter than first magnitude stars. Only Jupiter, the Moon and Venus before sunrise will be brighter.
31 March 2014, 08:00 AM ET
To give potential Red Planet settlers a taste of Martian life, the Netherlands-based group Mars One intends to build simulation outposts on Earth. The nonprofit announced their plans for mock Martian colonies Thursday.
31 March 2014, 07:34 AM ET
The European Space Agency's comet-chasing Rosetta spacecraft opened its eyes in January after a 10-year voyage across the solar system and a long hibernation in deep space. For the first time since its wakeup call, Rosetta spied its destination.
31 March 2014, 05:27 AM ET
In August 2014, ESA's Rosetta Spacecraft will rendezvous with Comet 67P/Churyumov-Gerasimenko and deploy the Philae lander. See photos from the Rosetta comet probe.
31 March 2014, 12:00 AM ET
This month's night sky is full of cosmic wonders, including an annular solar eclipse and planets galore. Find out what's up in your night sky and how to see it in this Space.com stargazing guide.
30 March 2014, 10:08 PM ET
An X1-class flare erupted from sunspot AR2017 on Mar. 29th, 2014. NASA's SDO captured the fireworks and NASA's SOHO captured the resulting coronal mass ejection. A magnetic crochet rippled Earth's magnetic field when the flare was in progress.
30 March 2014, 01:45 PM ET
What was your favorite space news story of the last week?
30 March 2014, 07:00 AM ET
You wouldn't think that a water snake, a crow and a goblet would have any kind of connection with each other, but all three are tied together in a strange story that spans across the current evening sky. Here's how to see them.
29 March 2014, 02:36 PM ET
From rings around an asteroid to a shimmering rainbow of colors captured on camera above Venus, don't miss these amazing space images of the week for March 29, 2014.
29 March 2014, 02:00 PM ET
From brilliant images from Arizona's Kitt Peak Observatory to a spectacular image of 'Seven Sisters,' don't miss these amazing night sky images by stargazers and Space.com readers.
29 March 2014, 11:09 AM ET
Veteran actor and former Starship Enterprise captain Sir Patrick Stewart will warp into Fox's 'Cosmos' Sunday night (March 30) as the voice of a famed astronomer who discovered Uranus.
29 March 2014, 09:00 AM ET
This summer, astronauts on the International Space Station will test technology that may someday allow humans to remotely control robotic probes on alien worlds.
29 March 2014, 08:00 AM ET
Astronauts, rocket-makers and other space leaders are set to descend on Southern California next week for the Space Tech Expo and Conference 2014. Now in its third year, the three-day trade show will take place April 1-3 in Long Beach.
28 March 2014, 05:35 PM ET
A look at the U.S. Air Force's unmanned X-37B space plane, which has flown three secret, long-duration missions in Earth orbit to date.
28 March 2014, 05:10 PM ET
In the northern spring, an astronomer's fancy turns to galaxies. Deep sky observers turn their attention away from the nearby star clusters and nebulas within our Milky Way, and begin to look beyond our own galaxy towards the farther reaches of space. Her
28 March 2014, 03:18 PM ET
Twice in the past two weeks the Mars rover Opportunity has experienced "cleaning events" that have blown some of the rusty powder away, allowing more sunlight to fall on the solar arrays, giving the six-wheeled rover a seasonal power-up.
28 March 2014, 02:46 PM ET
From spy satellites and missile defense to robot space planes and orbital platforms, get the latest news and views on military space technology.
28 March 2014, 02:34 PM ET
HR 5171, the brightest star just below the center of this stunning space wallpaper, is a yellow hypergiant, a very rare type of stars with only a dozen known in our galaxy.