19 June 2014, 10:29 AM ET
Two Russian cosmonauts ventured outside the International Space Station this morning (June 19) to install equipment and swap out parts of scientific experiments.
19 June 2014, 10:24 AM ET
Russian cosmonauts Alexander Skvortsov and Oleg Artemyev spacewalked outside the International Space Station on June 19, 2014.
19 June 2014, 07:34 AM ET
NASA's Orion capsule, which is designed to take astronauts to Mars and other farflung destinations, will blast into space for the first time in December. During the mission, Orion will travel 3,600 miles (5,790 kilometers) from Earth.
18 June 2014, 05:08 PM ET
Two Russian cosmonauts will put on their spacesuits and float outside the International Space Station tomorrow morning (June 19) for a six-and-a-half-hour maintenance job. You can watch the spacewalk live on SPACE.com.
18 June 2014, 12:07 PM ET
Stiff arteries in seniors here on Earth can lead to higher blood pressure and, potentially, problems with blood flow to the brain. But no blood pressure changes in astronauts have been noted so far, scientists said said.
18 June 2014, 11:13 AM ET
Two astronauts humorously demonstrate zero-gravity during the Skylab 4 mission.
17 June 2014, 04:35 PM ET
Six new cosmonauts joined the ranks of Russia's space agency on Monday (June 16), two short of the eight candidates who started basic training for the job two years ago. Among the two who did not make the cut was the group's only woman.
17 June 2014, 03:05 PM ET
Need a caffeine hit in space? For astronauts on the International Space Station, it will take less than two minutes to brew an espresso in a coffee machine slated for launch next year.
17 June 2014, 11:22 AM ET
The Gemini 4 spacecraft awaits recovery with the green marker dye coloring the ocean water.
17 June 2014, 07:35 AM ET
Getting astronauts to the Red Planet is the chief long-term goal of NASA's human spaceflight program, so the agency is developing many technologies to help make that happen, including a new line of prototype spacesuits called the Z-series.
16 June 2014, 05:56 PM ET
Three volunteers stepped out of China's Lunar Palace 1 last month after a 105-day shakeout mission — not on the moon, but at the Beijing University of Aeronautics and Astronautics.
16 June 2014, 05:00 PM ET
Space tourism firm Space Adventures says two customers have paid deposits for a flight around the moon on a Soyuz spacecraft, but the trip requires major changes to the Russian crew capsule, a vehicle that has seen only incremental upgrades recently.
16 June 2014, 03:04 PM ET
Astronauts in the C-131 "vomit comet" simulate weightless flight.
16 June 2014, 11:24 AM ET
The International Space Station is getting a critical upgrade: its first coffee machine. The "ISSpresso," a capsule-based espresso machine, will enable astronauts to brew the hot caffeinated beverage as an alternative to instant coffee.
15 June 2014, 09:40 AM ET
What was your favorite space news story of the last week?
14 June 2014, 11:03 AM ET
From "The Beast" asteroid to a "World Cup" in space, don't miss these amazing space images of the week for June 14, 2014.
13 June 2014, 05:58 PM ET
It has been one year since the launch of the "The Astronaut Wives Club," and Lily Koppel is back in orbit.
13 June 2014, 07:01 AM ET
Virgin Galactic is reporting progress on creating the world's first commercial spaceline. But fitting all the elements together to handle high-velocity suborbital space travel has proved slow-going.
12 June 2014, 04:46 PM ET
The space agency was forced to scrub six launch attempts of the Mars landing technology over the past two weeks as a result of unusually poor wind conditions at the U.S. Navy's Pacific Missile Range in Kauai, Hawaii.
12 June 2014, 03:53 PM ET
On long-term space missions, such as missions to Mars, having an extrovert on board could have several disadvantages, a new study suggests.
12 June 2014, 03:42 PM ET
A series of trials at NASA's Marshall Space Flight Center in Alabama has verified that the 3D printer developed by California-based startup Made in Space meets all the requirements for use aboard the orbiting lab, officials announced today.
12 June 2014, 03:22 PM ET
Commercial space race frontrunner SpaceX brought its new manned Dragon capsule to the Washington, D.C. this week to showcase the futuristic spaceship.
12 June 2014, 01:50 PM ET
The Dream Chaser space plane will see some more airtime later this year. Representatives of Sierra Nevada Corp., the company developing Dream Chaser, are planning to launch the space shuttle-like vehicle to space in November 2016.
12 June 2014, 12:57 PM ET
World Cup soccer excitement has launched into space. Three astronauts in orbit are getting into the World Cup spirit on the International Space Station.
12 June 2014, 12:37 PM ET
The Mercury pilot, flanked by military medical officers, is on the U.S.S. Randolph.
11 June 2014, 12:09 PM ET
Astronaut Ed White floats in space with an earth limb in the background.
11 June 2014, 07:02 AM ET
NASA is heading back to the ocean floor twice in the next three months to test out techniques and technologies that could improve astronauts' lives in orbit and help them explore an asteroid down the road.
11 June 2014, 07:00 AM ET
A quarter-scale prototype of SpacePlane, a vehicle being developed by the France-based company Airbus, took to the skies last month, giving engineers their first look at how the craft performs in the air.
11 June 2014, 07:00 AM ET
The products that NASA develops have filtered into everyday life for decades, and for decades the publication "Spinoff" has chronicled their progress. The latest issue is now available for free online, and what's inside may surprise you.
10 June 2014, 12:00 PM ET
The next U.S. spacecraft designed to deliver astronauts to the International Space Station also need to act as lifeboats if something goes wrong on the orbiting outpost.
10 June 2014, 11:35 AM ET
The astronauts' molded couches lean against NASA's model shop wall.
09 June 2014, 05:43 PM ET
As Virgin Galactic prepares to carry paying tourists into space, it's also readying another source of flight cash: carrying tech experiments designed for microgravity.