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12 March 2015, 10:51 PM ET
NASA's Magnetospheric Multiscale (MMS) mission launched from the Cape Canaveral Air Force Station in Florida on Mar. 12th, 2015. The satellites will be used to study "magnetic reconnection".
12 March 2015, 08:36 PM ET
Lockheed Martin’s ‘Jupiter’ space cargo tug is designed to fly freight to the International Space Station and beyond as a 21st century space vehicle. See how it works here.
12 March 2015, 06:50 PM ET
Lockheed Martin says its proposed Commercial Resupply Service-2 (CRS-2) solution will provide NASA with cargo transport to and from the International Space Station (ISS).
12 March 2015, 05:36 PM ET
Titan is probably the least inhospitable place in the outer solar system, but remember to bring oxygen and warm clothing.
12 March 2015, 04:47 PM ET
The first human-made spacecraft to soft-land on the surface of a comet might be waking up soon.
12 March 2015, 04:19 PM ET
The path of totality of the March 20 solar eclipse makes landfall in just two remote groups of islands in the North Atlantic — Svalbard and the Faroe Islands. But much of the world will be treated to a partial eclipse.
12 March 2015, 03:01 PM ET
The launch of NASA's Magnetospheric Multi-Scale mission atop an Atlas V rocket tonight (March 12) may generate a glowing cloud visible from large stretches of North America.
12 March 2015, 02:27 PM ET
oday (March 12) at 10:44 p.m. EDT (0244 GMT March 13), an Atlas V rocket will take off from Cape Canaveral. Photographers looking to get the perfect shot of the rocket taking off have built MacGyver-style devices to protect their cameras.
12 March 2015, 02:01 PM ET
The Yutu rover found evidence of at least nine distinct rock layers deep beneath its wheels, indicating that the area has been surprisingly geologically active over the past 3.3 billion years.
12 March 2015, 01:50 PM ET
Ganymede, Jupiter's largest moon, has a vast underground ocean of salty water, NASA scientists announced Thursday (March 12). The ocean on Ganymede was discovered with the Hubble Space Telescope.
12 March 2015, 12:50 PM ET
Lockheed hopes the system — which features a space tug known as Jupiter and a supply module called Exoliner — wins a NASA contract for the next round of cargo missions to the space station. But the company's ambitions extend beyond Earth orbit.
12 March 2015, 12:37 PM ET
After the latest from BICEP2 and Planck, does cosmic inflation still hold up?
12 March 2015, 11:00 AM ET
Astrophotographer Jason Matias captured this gorgeous night view of the moon setting between sea stacks.
12 March 2015, 09:23 AM ET
The last Apollo mission launched by NASA was Apollo 17, in 1972 — but an art exhibit called "Apollo XVIII" is launching from Times Square all this month.
12 March 2015, 08:19 AM ET
Astrophotographer Navaneeth Unnikrishnan captured the Trifid Nebula from Karnataka, India.
12 March 2015, 07:57 AM ET
NASA's Magnetospheric Multiscale mission, which will send four satellites on a search for explosive magnetic reconnections in Earth's magnetic field, will launch tonight at 10:44 p.m. EDT (0244 GMT). Here's how to watch live.
12 March 2015, 07:33 AM ET
New Horizons, which will zoom through the Pluto system on July 14, fired its engines for 93 seconds on Tuesday (March 10), when it was about 3 billion miles from Earth — the most distant engine burn ever, mission officials said.
12 March 2015, 07:02 AM ET
Traditional spacecraft-sterilization techniques can get rid of most microbes. But a new method is emerging that might be able to take all of them out, even the hardiest of the hardy.
11 March 2015, 11:40 PM ET
Three crewmembers are safely back on Earth after a six-month mission on the International Space Station.
11 March 2015, 06:50 PM ET
Three International Space Station crewmembers — including one NASA astronaut — are on their way back to Earth today (March 11) after a nearly six-month stint aboard the orbiting outpost.
11 March 2015, 05:21 PM ET
NASA's Ron Garan spent over 177 days in space, looking down on the planet in his spare moments. This 'life-changing' experience made him rethink his view of our interconnected world.
11 March 2015, 03:26 PM ET
Star clusters, emission nebulae and active star-forming regions, Oh My! A new detailed look at the southern constellation of Ara (The Altar) shows open star cluster NGC 6193, hot giant stars, the Rim Nebula and more.
11 March 2015, 03:18 PM ET
Sunspot AR2297 was crackling with M and C class flares before the magnetic energy finally gave way to the x-flare on Mar. 11th, 2015. "Its causing HF radio blackouts, primarily over the Americas," according to Spaceweather.com.
11 March 2015, 02:57 PM ET
The X-class flare, the most powerful type, peaked at 12:22 p.m. EDT (1622 GMT) today, causing radio blackouts over wide stretches of Earth.
11 March 2015, 02:11 PM ET
Look for dazzling, silver-white Jupiter more than halfway up in the East-Southeast as the blue sky darkens in the evening.
11 March 2015, 02:01 PM ET
Hot springs on Saturn's moon Enceladus suggest ocean depths reaching at least near-boiling temperatures may lie deep beneath its icy crust, researchers say.
11 March 2015, 02:00 PM ET
World View lofted two payloads during a balloon flight Sunday (March 8) from southeastern Arizona. The mission was part of NASA's Space Technology Mission Directorate's Flight Opportunities Program.
11 March 2015, 12:33 PM ET
The world's largest solid rocket motor roared to life in Utah, but rather than lifting off the ground, the booster, laying on its side, was restrained in place as data was collected to qualify it for NASA's Space Launch System.
11 March 2015, 11:35 AM ET
NASA's Space Launch System rocket booster's solid propellant was ground-tested on its side at ATK, the rocket builder’s factory.
11 March 2015, 11:00 AM ET
NASA's new rocket, the Space Launch System, represents the most powerful rocket ever built. The rocket's booster fired in a test on March 11, 2015, in Utah.
11 March 2015, 07:03 AM ET
NASA will test-fire the booster of its Space Launch System (SLS) megarocket today at 11:30 a.m. EDT, and three astronauts will return to Earth from the International Space Station in the evening. Watch all the action live here at Space.com.
11 March 2015, 07:01 AM ET
An extravaganza of stars, colorful clouds of gas and dust, and the emerging pillar of a cosmic nebula are all packed together in the same space neighborhood, which is shown in an impressive new image.