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, 11:32 AM ET
The 'guitar god' expresses his displeasure with the sorry state of Humanity’s reach into the cosmos. 'Satch' likens space tourism flights to bad airline experiences and muses upon transporter beam practicality.
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, 10:00 AM ET
The proposed Wide-field Infrared Survey Telescope (WFIRST) mission, which NASA is designing to probe the nature of mysterious dark energy, could discover thousands of alien planets as well.
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, 03:27 PM ET
Scientists will use the space agency's Hubble Space Telescope to search for another faraway object that could be visited by the New Horizons mission after the Pluto encounter, which is scheduled to take place in July 2015.
16 June 2014, 03:04 PM ET
Astronauts in the C-131 "vomit comet" simulate weightless flight.
16 June 2014, 02:52 PM ET
An Italian coffee company builds the first zero-gravity espresso machine, the ISSpresso, to send along with an Italian astronaut launching into space this fall. Jen Markham explains.
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.
16 June 2014, 07:26 AM ET
A NASA spacecraft arriving in the Pluto system next year could help scientists figure out if the dwarf planet's largest moon Charon might have once harbored a subsurface ocean of liquid water.
16 June 2014, 07:15 AM ET
Samples scooped from the Martian atmosphere could provide scientists with their first hands-on experience with the red planet.
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, 03:15 PM ET
It will be a couple of extra weeks before a private group controlling a 36-year-old NASA spacecraft can maneuver it to a better orbit to talk with Earth, its co-leader told Space.com today (June 13).
13 June 2014, 12:00 PM ET
After his ride in the Little Joe 2 Spacecraft, Sam the Monkey is safely aboard a U.S. Navy destroyer.
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.
13 June 2014, 07:00 AM ET
The agency's Orbiting Carbon Observatory-2 satellite is in final preparations for its July 1 liftoff. The OCO-2 mission is designed to provide a comprehensive global look at atmospheric levels of the heat-trapping greenhouse gas carbon dioxide.
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.
12 June 2014, 10:00 AM ET
NASA's vintage International Sun/Earth Explorer 3 spacecraft, ISEE-3, is responding to hails from a private team hoping to revive the probe for new deep-space adventures.
11 June 2014, 05:07 PM ET
In anticipation of the World Cup, which the crew of the ISS will be watching, United States astronauts Reid Wiseman, Steve Swanson and German astronaut Alexander Gerst show off their 'futbol' moves in microgravity. FULL STORY: http://goo.gl/cNMpOU