28 March 2014, 05:35 PM ET
A look at the U.S. Air Force's unmanned X-37B space plane, which has flown three secret, long-duration missions in Earth orbit to date.
28 March 2014, 02:46 PM ET
From spy satellites and missile defense to robot space planes and orbital platforms, get the latest news and views on military space technology.
28 March 2014, 11:02 AM ET
Two astronauts emerge from the airlock in their space suits after an EVA.
28 March 2014, 07:02 AM ET
Developing private systems to launch astronauts from U.S. soil in the near future should be a top priority for NASA, the space agency's chief Charles Bolden said Thursday (March 27).
28 March 2014, 07:01 AM ET
Forty-five years ago this July, astronaut Buzz Aldrin stepped on to the lunar surface and in addition to becoming the second man to walk on the moon, was the first to wear a watch there. Omega is honoring the historic occasion with a timepiece.
27 March 2014, 08:00 PM ET
A Russian Soyuz spacecraft carrying NASA astronaut Steve Swanson and cosmonauts Alexander Skvortsov and Oleg Artemyev docked with the orbiting lab at 7:53 p.m. EDT Thursday after a two-day delay in orbit.
27 March 2014, 03:02 PM ET
The first aircraft purchased by the NACA.
27 March 2014, 02:03 PM ET
On its Asteroid Redirect Mission, NASA hopes to 'encapsulate' an asteroid using a robot ship – and also remove a boulder – before bringing the mass in range of astronauts to perform some, yet unexplained, tasks.
27 March 2014, 11:44 AM ET
The U.S. Air Force's robotic X-37B space plane has broken its own all-time endurance record in orbit after more than 470 days of circling the Earth on a mystery mission for the American military.
27 March 2014, 11:42 AM ET
Skywatcher Kevin Fetter of Brockville, Ontario in Canada shot this March 9, 2014 video of the U.S. military's X-37B space plane passing by the moon. The robotic US Air Force space plane surpassed 470 days in orbit, an endurance record, in March 2014.
27 March 2014, 11:18 AM ET
SpaceX's launch of a cargo resupply mission to the International Space Station has been delayed from Sunday after a critical U.S. Air Force rocket tracking radar was knocked offline, officials said late Wednesday (March 26).
27 March 2014, 10:55 AM ET
See infrared images of deep space from European Space Agency's prolific Herschel Space Telescope.
27 March 2014, 07:11 AM ET
NASA's plan to capture an asteroid and park it near the moon is only one step on the way to Mars, NASA chief Charles Bolden said Wednesday (March 26). The space agency is planning an ambitious mission to send a robotic spacecraft to an asteroid.
27 March 2014, 06:54 AM ET
The space agency is asking the public to select the "cover layer" for its prototype Z-2 spacesuit, which officials say should be fully constructed by November. You can vote for one of three options through April 15.
27 March 2014, 02:41 AM ET
For rocket engineer Edward Miyashiro, inspiration came from the space race and a curious mind — but do U.S. students have the inspiration to eventually take his place?
26 March 2014, 04:50 PM ET
Space.com caught up with Jane Poynter, CEO of World View, a private company that aims to bring passengers to near-space using a high-altitude balloon.
26 March 2014, 12:06 PM ET
Three astronauts currently in orbit aboard a Russian-built Soyuz spacecraft are set to arrive at the International Space Station on Thursday (March 27) after a snag caused a docking delay.
26 March 2014, 11:30 AM ET
After two successful course altering 'burns' (rocket motor firings) three space-station bound crew members must wait an additional day to finally meet-up with ISS. NASA explains why the Soyuz craft did not execute a planned third burn.
26 March 2014, 11:16 AM ET
This technical rendition of Atlantis docked to the Kristall module of the Russian Mir Space Station shows the largest space platform ever assembled.
26 March 2014, 07:01 AM ET
One NASA astronaut launching to the International Space Station in May is ready to 3D print in space. Astronaut Reid Wiseman, bound for the station in May, is looking forward to setting up a 3D printer on the orbiting outpost.
26 March 2014, 07:00 AM ET
An indie rock band and a foundation created to protect the planet from hazardous asteroids might sound like an unlikely pair, but the band Broken Bells and the B612 Foundation are teaming up to raise money for planetary protection.
25 March 2014, 10:09 PM ET
A Russian Soyuz spacecraft skipped a planned engine maneuver in orbit late Tuesday (March 25), forcing the its three-man crew to circle the Earth two extra days before reaching the International Space Station as planned, NASA officials say.
25 March 2014, 05:56 PM ET
A nominal night launch, and a smooth ride through 3rd stage engine cut-off, puts Alexander Skvortsov, Oleg Artemyev and Steve Swanson on-track to begin Expedition 39 aboard the International Space Station.
25 March 2014, 05:24 PM ET
A Russian Soyuz rocket launched an international trio of crewmembers to the International Space Station today (March 25), sending them into space for a 5.5-month stint on the orbiting laboratory.
25 March 2014, 03:35 PM ET
NASA's futuristic Z-2 spacesuit design is one part Tron and one part Buzz Lightyear. See images of three difference concepts of NASA's new Z-2 astronaut spacesuit in this Space.com gallery.
25 March 2014, 10:55 AM ET
The Communication Technology Satellite, a high-powered spacecraft resulting from five years of cooperation between NASA and Canada's Department of Communications, was launched in January of 1976.
25 March 2014, 07:00 AM ET
The White House's 2015 budget request includes $27 million for DARPA's XS-1, a reusable space plane concept vehicle that could make its initial test flight in 2018. In all, DARPA expects to spend $800 million on space programs from 2015 through 2018.
25 March 2014, 07:00 AM ET
A NASA astronaut and two cosmonauts are set to launch to the International Space Station tonight (March 25) and you can watch it live online.
24 March 2014, 06:34 PM ET
The technology to make lunar missions routine is on the horizon, says Astrobotic CEO John Thornton.
24 March 2014, 06:25 PM ET
The latest three spaceflyers will launch to the International Space Station on March 25, 2014.
24 March 2014, 05:58 PM ET
The tense political relationship between the United States and Russia will not affect the planned launch of a NASA astronaut and two cosmonauts to the International Space Station tomorrow (March 25), NASA officials reiterated last week.
24 March 2014, 05:56 PM ET
See photos from the Expedition 39 mission to the International Space Station, with images taken by the outpost's six-person crew.