03 January 2014, 07:00 AM ET
The unmanned Cygnus spacecraft, which is built by Orbital Sciences, is slated to blast off from NASA's Wallops Flight Facility in Virginia on Tuesday afternoon, in a launch that could be visible from large stretches of the U.S. East Coast.
02 January 2014, 02:35 PM ET
The Mars Desert Research Station aims to help humanity prepare for the rigors and challenges of life on the Red Planet. It was designed in line with the "Mars Direct" settlement approach, which sees crews living off the land as much as possible.
02 January 2014, 11:30 AM ET
Golden Spike, acompany developing commercial missions to the moon for launch in 2020, has partnered with Honeybee Robotics to design lunar rovers to accompany the manned expeditions.
01 January 2014, 01:11 PM ET
See amazing images of the night sky and cosmos in SPACE.com's gallery of cosmic images posted in December 2013.
01 January 2014, 11:53 AM ET
The people of Earth rang in 2014 with raucous celebrations that reached all the way to space, where astronauts on the International Space Station helped usher in the New Year. See the Happy New Year video from astronauts on the space station.
31 December 2013, 04:00 PM ET
Richard Branson's Virgin Galactic celebrated a year of new rocket technologies, space ships, certifications, and construction of the first ever spaceport for tourists.
31 December 2013, 03:02 PM ET
The Canadian company UrtheCast and its Russian partners are investigating what went wrong when its new Earth-watching cameras suffered a glitch shortly after being installed outside the International Space Station last week.
31 December 2013, 12:52 PM ET
The private Martian colony project Mars One announced Monday (Dec. 30) that it has picked 1,058 hopeful volunteers to move on to the next round in its search for the first humans to live and die on the Red Planet.
31 December 2013, 12:25 PM ET
NASA astronauts on Earth and in space will help usher in 2014 from New York City's Times Square tonight. New Yorker astronaut Mike Massimino will host video messages from astronauts on the International Space Station and elsewhere in NYC.
31 December 2013, 09:16 AM ET
From a new rover on the moon, to the most powerful digital camera ever built, space will be buzzing with human activities in 2014.
30 December 2013, 06:22 PM ET
Packing for a simulated Mars mission is a lot like packing for a camping trip — as long as you also remember to bring your scientific gear.
30 December 2013, 05:20 PM ET
Beyoncé is ending the year on a sour note with members of the NASA community. The singer sampled an audio clip from the 1986 space shuttle Challenger disaster as part of her new song, 'XO,' upsetting the fallen astronauts' families.
30 December 2013, 03:36 PM ET
The year 2013 left its mark on space exploration history, but it also ushered in a banner year for space artifacts from decades past. Here is a look back at some of the year's milestones in space memorabilia.
30 December 2013, 02:41 PM ET
Two Russian Cosmonauts installed a pair of high-fidelity cameras outside the International Space Station but had to remove them after telemetry problems, resulting in a new record for the longest Russian space walk at 8 hours and 7 minutes.
29 December 2013, 11:49 AM ET
Space feats reached internationally and into interplanetary space in 2013, with milestones stretching from Earth to Mars.
28 December 2013, 08:57 PM ET
What was your favorite space news story of the last week?
28 December 2013, 08:24 PM ET
From photos of rare noctilucent clouds to images from a vital holiday spacewalk, don't miss these amazing space images of the week for Dec. 28, 2013.
28 December 2013, 12:13 PM ET
NASA's Orion Multi-Purpose Crew Vehicle, the next-generation spacecraft that could be used for future manned missions to Mars, is less than a year away from its debut test launch in 2014.
27 December 2013, 05:59 PM ET
Two Russian cosmonauts installed new HD camera eyes on the International Space Station during a record-setting spacewalk Friday (Dec. 27), only to have to return the devices inside due to an unspecified data glitch.
27 December 2013, 03:56 PM ET
See photos of Russian cosmonauts Oleg Kotov and Sergey Ryazanskiy as they worked to install commercial Earth-watching cameras on the International Space Station on Dec. 27, 2013.
27 December 2013, 11:31 AM ET
Russian cosmonauts perform a spacewalk to install photographic and scientific equipment on the hull of the International Space Station. Rough Cut (no reporter narration).
27 December 2013, 10:30 AM ET
In the latest episode of 'Space To Ground, NASA's Nicole Cloutier-Lemasters talks about spacewalks to repair the stations cooling system and add Earth-observing cameras to the stations exterior. Also, how to spot the ISS in the night sky.
26 December 2013, 01:04 PM ET
Crew members of the STS-49 mission captured the satellite on the third attempt.
26 December 2013, 09:45 AM ET
NASA's retired space shuttle Endeavour takes to the streets of Los Angeles again Jan. 1, this time as the lead feature on a 125th Rose Parade float. The iconic black and white orbiter will soar from the City of Los Angeles' 2014 float.
25 December 2013, 11:32 AM ET
Six space travelers living in orbit definitely aren't home for Christmas today, but that doesn't mean they won't get into the holiday spirit on the International Space Station.
24 December 2013, 01:20 PM ET
Astronauts aboard the International Space Station have received a gift just in time for Christmas: a new pump module to repair their ailing cooling system and to restore the outpost to full power.
24 December 2013, 10:01 AM ET
NASA astronauts Rick Mastracchio and Mike Hopkins took to the outside of the International Space Station for an urgent spacewalk on Christmas Eve (Dec. 24) to fix a problem with the orbiting outpost's vital cooling system.
24 December 2013, 07:52 AM ET
They won't be home for Christmas: See how astronauts celebrate holidays in space.
24 December 2013, 06:55 AM ET
Two American astronauts are spending Christmas Eve working in the vacuum of space to hopefully fix the vital cooling system aboard the International Space Station.
24 December 2013, 06:10 AM ET
Two American astronauts will spend their Christmas Eve working in the vacuum of space as part of an emergency campaign to fix the broken cooling system aboard the International Space Station, and you can watch their spacewalk live.
23 December 2013, 05:08 PM ET
This message from NASA administrator Charles Bolden was sent to the moon and back with only a few seconds of delay. The Lunar Laser Communications Demonstration mission aboard NASA's LADEE spacecraft successfully received and retransmitted the video.
23 December 2013, 01:50 PM ET
Two astronauts on the International Space Station are set for a Christmas Eve spacewalk tomorrow (Dec. 24). NASA astronauts Rick Mastracchio and Mike Hopkins will dawn their spacesuits and float out into space for another spacewalk Tuesday.