15 February 2015, 05:00 PM ET
Using imagery from the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile and the Hubble Space Telescope to observe starburst galaxy NGC 253 (Sculptor Galaxy), astrophysicists are mathematically peeling back layers of gas.
15 February 2015, 02:37 PM ET
In the end, ESA's final space station cargo freighter went out in a fiery blaze rather than the "big bang" of its namesake. The ATV-5, christened the "Georges Lemaître" after the Belgian astronomer, plunged into the Earth's atmosphere and was destroyed.
15 February 2015, 01:32 PM ET
On Feb. 15, 2013, a 66-foot-wide asteroid exploded over Russia and injured more than 1,200 people. Two years later, he origin of the space rock still puzzles scientists.
15 February 2015, 09:23 AM ET
Europe launched a prototype minishuttle on its first space test, SpaceX lofted the DSCOVR space-weather satellite, and scientists questioned whether dark matter is truly "dark." Here are Space.com's picks for the best space stories of the week.
14 February 2015, 12:40 PM ET
From a colorful cosmic "flower" to a smiley face in space, don't miss these amazing space images of the week for Feb. 15, 2015.
14 February 2015, 11:00 AM ET
The unmanned ATV-5, named "Georges Lemaitre," departed at 8:42 a.m. EST Saturday (Feb. 14), ending its six-month stay at the orbiting lab. ATV-5 will come back to Earth Sunday afternoon (Feb. 15), in a closely monitored, fatal dive.
14 February 2015, 05:20 AM ET
Thousands of people will descend upon New York City for Toy Fair 2015 from Saturday (Feb. 14) to Tuesday (Feb. 17), to present new toys and gadgets of all kinds set to hit the market in the next year at the Javits Convention Center in Manhattan.
14 February 2015, 05:13 AM ET
Send a Valentine's Day card to your spacey sweetheart this year courtesy of the European Space Agency.
13 February 2015, 08:24 PM ET
On Feb. 14, 1990, NASA's Voyager 1 spacecraft took a family portrait of the solar system, capturing Neptune, Uranus, Saturn, Jupiter, Venus and Earth — which showed up as a "pale blue dot" — in a single view.
13 February 2015, 05:11 PM ET
The famed constellation of Orion is one of the most recognizable star patterns in the night sky, and poses a dazzling sight for observers this month, weather permitting. Simply look south around 8 p.m. your local time, and you will see this might hunter o
13 February 2015, 04:28 PM ET
On Feb. 19, a "supermoon" — a special event when the moon is full and also at its closest point to Earth in orbit — will occur. But unfortunately, it will be invisible to skywatchers on Earth.
13 February 2015, 02:18 PM ET
The European Space Agency's fifth and last Automated Transfer Vehicle, ATV-5, will undock from the orbiting outpost Saturday morning at 8:41 a.m. EST.
13 February 2015, 11:56 AM ET
13 February 2015, 07:37 AM ET
Would you die on Mars? The Guardian interviewed three people that want to do just that as part of Mars One — a privately funded one-way mission to Mars planned to launch in the 2020s.
13 February 2015, 07:02 AM ET
The "Interstellar" visual-effects crew has published a scientific study describing the computer code that brought to life the wormhole and enormous black hole, dubbed "Gargantua," that played central roles in the film.
13 February 2015, 07:00 AM ET
An image captured by NASA's Chandra X-ray Observatory shows a supernova remnant called G299.2-2.9, which lies 16,000 light-years from Earth. The object's many different colors represent different wavelengths of X-ray light.
12 February 2015, 06:03 PM ET
The moon is home to liquid methane seas. In an animation developed for the NASA's Innovative Advanced Concepts (NIAC) program, a submersible is used to study the shoreline and liquid methane depths.
12 February 2015, 06:00 PM ET
NASA is a high-tech space agency but even astronauts and engineers need to cut loose with some wild mission posters. Take a look at some of the wildest mission posters by NASA astronauts and their crewmates in this gallery.
12 February 2015, 05:18 PM ET
That's no Star Wars poster. It's a space station … crew. NASA revealed the official poster for the International Space Station's Expedition 45 crew and let's just say, the Force is strong with them.
12 February 2015, 04:51 PM ET
That's no moon … that's a whole bunch of LEGOs. A brand new model of the Death Star — the moon-size 'Star Wars' planet-destroying machine — made entirely of LEGO bricks arrived at LEGOLAND California this week.
12 February 2015, 04:05 PM ET
The new Pluto-Charon video was shot by NASA's New Horizons probe from Jan. 25 to Jan. 31, as the spacecraft gears up for its epic Pluto encounter this July.
12 February 2015, 02:34 PM 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.
12 February 2015, 02:29 PM ET
A European spacecraft orbiting a comet continues to beam incredible photos of the icy, dusty cosmic body back to Earth.
12 February 2015, 02:04 PM ET
NASA's New Horizon probe watched Charon and Pluto orbit a common center of mass that lies outside either body. Each full revolution takes 6.4 Earth days. The first image was snapped 126 million miles out; the last was ~5 million miles closer.
12 February 2015, 02:00 PM ET
A SpaceX rocket launching the spaceflight company's first mission to deep space came in for a smooth landing in the ocean after the launch Wednesday (Feb. 11), as another piece of the rocket captured an incredible view of Earth from space.
12 February 2015, 12:31 PM ET
History records that 88 rockets launched to space in 1991. That count, it would seem, is off by one. The first model rocket to reach space did so in April 1991. Now, almost 25 years later, it has landed at The Museum of Flight in Seattle.
12 February 2015, 12:07 PM ET
The U.S. Astronaut Hall of Fame will honor four space shuttle astronauts this spring as it marks 25 years since its founding. Rhea Seddon, John Grunsfeld, Steve Lindsey and Kent Rominger will be enshrined on May 30 at the Kennedy Space Center in Florida.
12 February 2015, 11:56 AM ET
New imagery by the Chandra X-ray Observatory of remnant G299.2-2.9 suggest that "a very lopsided explosion may have produced this Type Ia supernova.
12 February 2015, 07:00 AM ET
Astronomers continue to search for signs of the universe's dramatic expansion just after the Big Bang, even after a highly publicized recent detection was determined to be a false alarm.
12 February 2015, 07:00 AM ET
Mirage planets might be lurking out in the universe. Some alien worlds might look like they could be habitable, but in reality, could have burned away those chances for life, scientists think.
12 February 2015, 07:00 AM ET
NASA's Solar Dynamics Observatory (SDO) probe celebrated five years in Earth orbit Wednesday (Feb. 11), and the space agency marked the milestone with two new videos celebrating the spacecraft's images and scientific accomplishments.
11 February 2015, 06:30 PM ET
A private rocket carrying a space weather satellite, built to help warn Earthlings before a potentially dangerous solar storm strikes the planet, blasted off to orbit today from Florida.