03 March 2015, 02:00 PM ET
Put six people into an isolated environment for months at a time, and lots of things can happen: frustration, conflict, or at best — a tight-knit group of people working happily for a common goal.
03 March 2015, 12:45 PM ET
Jupiter's moon Europa suffers from extreme cold and deadly radiation, but its astronomical and geological sights are unique in the solar system.
03 March 2015, 12:00 PM ET
Scientists believe conditions may be right for life, under Europa's icy crust.
03 March 2015, 07:45 AM ET
NASA's Dawn will investigate Ceres' bright spots and other mysteries after it enters orbit around the dwarf planet at about 7:20 a.m. EST (1220 GMT) on Friday (March 6).
03 March 2015, 07:00 AM ET
While investigators continue to study the dramatic Feb. 3 death of the DMSP-F13 satellite, signs currently point to failure of the power system aboard the spacecraft, which launched in 1995.
02 March 2015, 05:19 PM ET
F. Curt Michel, an astrophysicist who was among NASA's first scientist-astronauts but who resigned after it became clear he would not fly to the moon, died Feb. 23, 2015. He was 80.
02 March 2015, 04:01 PM ET
A 20-year-old military weather satellite apparently exploded in orbit Feb. 3 following what the U.S. Air Force described as a sudden temperature spike.
02 March 2015, 04:00 PM ET
NASA's Dawn probe is scheduled to slip into orbit around Ceres — the largest object in the main asteroid belt between Mars and Jupiter — at 7:20 a.m. EST (1220 GMT) Friday, wrapping up a deep-space chase that lasted two-and-a-half years.
02 March 2015, 03:40 PM ET
Inserted into Ceres orbit on March 6th, 2015, the Dawn mission has been sending progressively better imagery to Earth since December 2014. Ceres is by far the largest body in the Main Belt of asteroids.
02 March 2015, 02:20 PM ET
The private spaceflight company SpaceX launched a pair of communications satellites to space yesterday (March 1), and you can see amazing videos and photos of the liftoff.
02 March 2015, 11:28 AM ET
The ABS 3A and EUTELSAT 115 West B satellites were launched from Cape Canaveral Air Force Station on Mar. 1st, 2015.
02 March 2015, 07:00 AM ET
Russia says it will support U.S. plans to keep the International Space Station operating through 2024, but then wants to split off three still-to-be launched modules to form a new orbital outpost.
01 March 2015, 02:46 PM ET
The International Space Station is now three steps, or rather spacewalks, closer to being ready for the arrival of new U.S. commercial crewed spacecraft with the completion of a trio of two-astronaut excursions.
01 March 2015, 12:41 PM ET
Astronomers discovered the most gigantic black hole yet known and Leonard Nimoy — Mr. Spock from the beloved "Star Trek" series — passed away at the age of 83. Here are Space.com's pics for the top space stories of the week.
01 March 2015, 11:25 AM ET
The countdown is on to the launch of Apollo 18 and you're invited to witness it from New York City's Times Square. 'Apollo XVIII' by artist Marco Brambilla weaves footage from NASA missions with computer renderings to form a countdown to a fictional moon
01 March 2015, 07:00 AM ET
Dawn is scheduled to reach Ceres — the largest body in the main asteroid belt between Mars and Jupiter — Thursday night. The probe has been headed for Ceres since September 2012, when it departed Vesta, the asteroid belt's second-biggest denizen.
28 February 2015, 03:32 PM ET
From a record-setting parafoil flight to a newly-tested space plane, don't miss these amazing space images of the week for March 1, 2015.
27 February 2015, 09:39 PM ET
NASA astronaut Mike Fincke and ESA astronaut Luca Parmitano talk about the inspiration that Star Trek's Mr. Spock delivered to humanity's on-going mission to explore.
27 February 2015, 07:00 AM ET
Inside New Horizons is a small piece of SpaceShipOne, the first privately owned and operated spacecraft to reach space twice within a period of 14 days. The feat, which SpaceShipOne accomplished in 2004, won the $10 million Ansari X Prize.
26 February 2015, 05:12 PM ET
NASA's Soil Moisture Active Passive mission team deployed its spacecraft's large antenna on Feb. 24th, 2015. The mission will track and map soil moisture on Earth.
26 February 2015, 01:38 PM ET
Going to Mars without setting up a colony — round-trip manned missions, in other words — would not be enough for the U.S. to reclaim its leadership in space, nor would setting up human outposts on the moon, Aldrin said.
26 February 2015, 08:08 AM ET
With an eye towards the future, NASA has marked the first 50 years of its two rocket-moving crawler-transporters by taking one of the newly-upgraded massive machines out for a test drive to the launch pad.
26 February 2015, 08:00 AM ET
Soviet-era cosmonaut Alexei Gubarev, who trained to fly to the moon but instead led the first multi-national space station crew, died on Feb. 21. He was 83. Gubarev logged 37 days in orbit during the Soyuz 17 and Soyuz 28 missions.
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, 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, 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, 05:00 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, 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).