25 February 2015, 05:40 PM ET
New photos captured by NASA's Dawn spacecraft, which is scheduled to arrive in orbit around Ceres on the night of March 5, reveal that a puzzling bright spot within a large crater on the dwarf planet's surface has a buddy of sorts.
25 February 2015, 05:29 PM ET
Astronomers have discovered the largest and brightest black hole ever seen — an ancient monster with a mass about 12 billion times that of the sun — that dates back to when the universe was less than 1 billion years old.
25 February 2015, 03:40 PM ET
An American astronaut found water inside his spacesuit helmet at the end of an otherwise flawless spacewalk outside the International Space Station today (Feb. 25), but he was never in any danger, NASA officials say.
25 February 2015, 03:01 PM ET
At 3 p.m. EST (2000 GMT) NASA will hold a public briefing to discuss the Magnetospheric Multiscale mission (MMS), which will study the Earth's magnetic system. You can watch the briefing live on NASA TV or here on Space.com.
25 February 2015, 06:10 AM ET
In the near future, astronauts will be able to take private space taxis to the to the International Space Station. Today, two NASA astronauts will complete the second of three spacewalks to prepare the station for the arrival of those taxis.
24 February 2015, 05:45 PM ET
Have you ever wondered what it would be like to live on the moon? What about Mars, or Venus or Mercury? We sure have and that's why we decided to find out what it might be like to live on other worlds in our solar system, from Mercury to Pluto and beyond
24 February 2015, 05:00 PM ET
Low temperatures, gravity and sunlight would define the experience of living on Ceres, the largest asteroid belt object.
24 February 2015, 02:00 PM ET
A recent action by the U.S. Federal Aviation Administration is stirring up some moon dust in a legal debate about private companies setting up shop on the moon.
24 February 2015, 07:00 AM ET
International Space Station Commander Butch Wilmore took a photo of himself Saturday (Feb. 21) that captured a gloriously blue, cloud-studded ocean in the background. Fellow spacewalker Terry Virts is reflected in Wilmore's visor.
23 February 2015, 04:35 PM ET
Boeing and the United Launch Alliance are building a new astronaut access tower for Atlas rocket launches of future space taxis for NASA. See how it works.
23 February 2015, 03:31 PM ET
Three Expedition 42 crew members will fly aboard a Soyuz TMA-15M rocket scheduled to launch from Baikonur Cosmodrome in Kazakhstan to the International Space Station
23 February 2015, 01:26 PM ET
Ceres, orbiting between Mars and Jupiter, has almost no gravity, warmth or atmosphere.
23 February 2015, 01:17 PM ET
Three sub-orbital rockets may be visible from parts of the east coast as they head sky-ward in the wee hours of Tuesday (Feb. 24).
23 February 2015, 01:16 PM ET
This is definitely a new kind of space race. Two teams competing in a private moon competition have teamed up to get to the lunar surface by the end of next year, potentially sowing the seeds for a lunar NASCAR race.
23 February 2015, 11:26 AM ET
On Feb. 21st, 2015, Space Station crew Barry Wilmore and Terry Virts set up cabling and other equipment in the first of 3 spacewalks to install a docking port adaptor for U.S. commercial crew vehicles.
23 February 2015, 10:55 AM ET
An art exhibit at the Cooper Hewitt Smithsonian Design Museum in New York City bring together tools from throughout human history: from ancient artifacts to cutting edge instruments for space exploration.
23 February 2015, 07:30 AM ET
With one reportedly flawless test flight already under its belt, officials are already planning a European space plane for its next test.
21 February 2015, 04:46 PM ET
Europe's last cargo spacecraft came down to Earth in a fiery blaze and scientists reported seeing mysterious plumes emanating from Mars. Here are Space.com's picks for the best space stories of the week.
21 February 2015, 12:42 PM ET
From mysterious plumes on Mars to a space station made of matchsticks, don't miss these amazing space images of the week for Feb. 22, 2015.
21 February 2015, 11:29 AM ET
A company that aims to send tourists to the edge of space in a balloon broke a record today, flying a parafoil higher than anyone has before.
21 February 2015, 10:32 AM ET
Two NASA astronauts successfully completed a 6 hour spacewalk that helped prepare the International Space Station for the arrival of private space taxis. The astronauts are scheduled to compete two additional spacewalks in the next 8 days.
21 February 2015, 12:30 AM ET
Two NASA astronauts will perform a spacewalk outside the International Space Station today (Feb. 21). People on Earth can watch the spacewalk live online.
20 February 2015, 07:15 PM ET
See photos from astronaut Terry Virts on a mission at the International Space Station.
20 February 2015, 01:44 PM ET
See photos from astronaut Samantha Cristoforetti's on a mission at the International Space Station.
20 February 2015, 12:50 PM ET
A space fan crafted a model of the International Space Station made from 280,000 matchsticks. Check it out here.
20 February 2015, 11:55 AM ET
NASA this week begins work to reassemble parts of the International Space Station to create parking spots for two commercial space taxis.
20 February 2015, 11:33 AM ET
Orbital ATK, builders of the Space Shuttle Solid Rocket Motors and of the future Space Launch System, describe the avionics system for their March 2015 static-fire test of the booster in Promontory, Utah.
20 February 2015, 07:00 AM ET
NASA officials have asked scientists to consider ways that a Europa mission could search for evidence of alien life in the plumes of water vapor that apparently blast into space from Europa's south polar region.
19 February 2015, 10:39 PM ET
SpaceX is a private spaceflight company that regularly delivers payloads to the International Space Station via its Dragon spacecraft.
19 February 2015, 02:35 PM ET
On Feb. 14th, 2015, the European probe flew about 4 miles (6 km) above the surface of comet 67P/Churyumov-Gerasemenko and delivered stunning imagery. It will continue to make several maneuvers to fly close to the comet over the next few weeks.
19 February 2015, 10:47 AM ET
NASA realizes its future depends upon a two-way relationship with growing commercial space companies. New facilities must accommodate the Congressionally mandated Space Launch System as well as private rockets.
19 February 2015, 07:00 AM ET
NASA's New Horizons spacecraft captured images of Nix and Hydra, two of Pluto's five known moons, from Jan. 27 through Feb. 8, at distances ranging from 125 million miles to 115 million miles (201 million to 186 million kilometers).
18 February 2015, 05:53 PM ET
A series of images taken by the NASA Horizons Mission from Jan. 27-Feb. 8, 2015 shows the two moons (25 to 95 miles in diameter) orbiting Pluto.
18 February 2015, 12:04 PM ET
A robotic submarine could explore the methane seas on Titan, Saturn's largest moon. See how space technology and NASA are working to make this a reality.
18 February 2015, 06:30 AM ET
Dawn's most recent images, taken Feb. 12 at a distance of 52,000 miles (83,000 kilometers) from Ceres, show an abundance of craters on the dwarf planet, as well as numerous bright spots that have scientists baffled.
18 February 2015, 06:30 AM ET
Bantam spacecraft should survive for about 15 minutes in Jupiter's thick air before bursting into flame, according to researchers developing a concept mission called SMARA (SMAll Reconnaissance of Atmospheres).