18 February 2015, 06:20 AM ET
See photos and images of Ceres, a dwarf planet and the largest asteroid in the solar system yet known. Ceres is round and may contain more fresh water than the entire Earth. NASA's Dawn spacecraft will explore Ceres in 2015.
17 February 2015, 06:09 PM ET
Flying drones, dancing robots and games galore made debuts at the 2015 Toy Fair.
17 February 2015, 04:00 PM ET
Mars would not be an easy home for human colonists. See how its lower gravity, thin atmosphere and lack of a magnetic field could make it challenging for a colonist in this Space.com infographic.
17 February 2015, 04:00 PM ET
Life on Mars would be full of chilly weather, large dust storms and geological sights dwarfing anything on Earth.
17 February 2015, 03:02 PM ET
Russia's unmanned Progress 58 spacecraft docked today to the Zvezda service module at 11:57 a.m. EST, delivering 3 tons of food, fuel, experimental hardware and other gear to the six crewmembers aboard the station.
17 February 2015, 01:45 PM ET
Students in the New York City public school system are currently competing for the chance to put a science experiment on the International Space Station, thanks to a new program at the Intrepid Sea, Air and Space Museum in New York.
17 February 2015, 12:31 PM ET
A mystery is brewing on Mars: Amateur astronomers spotted enormous plumes erupting off the Red Planet's surface, leaving scientists puzzled.
17 February 2015, 07:50 AM ET
A new study of emissions from Martian volcanoes suggests there is no activity going on right now, but researchers aren't ruling out recent eruptions.
17 February 2015, 07:23 AM ET
Small, cold stars known as red dwarfs are the most common type of star in the Universe, and the sheer number of planets that may exist around them potentially make them valuable places to hunt for signs of extraterrestrial life.
17 February 2015, 07:01 AM ET
Plans to visit Europa, Jupiter's icy moon with a subsurface ocean, just became a bit more concrete. Scientists think the planet is one of the top places in the solar system that could support alien life.
16 February 2015, 02:28 PM ET
Mars One, which aims to land four pioneers on the Red Planet in 2025 as the vanguard of a permanent colony, has whittled its pool of astronaut candidates down to 100, organization representatives announced Monday.
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.