04 May 2015, 04:42 PM ET
Mice zapped with cosmic rays can incur brain damage, suggesting that astronauts' mental performance could suffer over time on deep-space missions to Mars and beyond, researchers say.
04 May 2015, 03:55 PM ET
NASA has successfully tested electromagnetic propulsion in a hard vacuum for the first time.
04 May 2015, 03:50 PM ET
The Space Exploration, Development, and Settlement Act of 2015, drafted by Rep. Dana Rohrabacher (R-Calif.), would mark the second time in the last three decades that Congress has directed NASA to support efforts for human settlements beyond Earth orbit.
04 May 2015, 03:29 PM ET
Sparks flew on Capitol Hill where a NASA authorization bill that recommends deep cuts for Earth science made it out of a sharply divided committee on a party line vote.
04 May 2015, 03:24 PM ET
Dragon is scheduled to lift off at 7 a.m. EDT Wednesday from Florida's Cape Canaveral Air Force Station to see how the capsule performs in the event of a problem during launch. You can watch the unmanned test live here on Space.com.
04 May 2015, 10:46 AM ET
Space: the final frontier — for coffee. Italian astronaut Samantha Cristoforetti, dressed in a 'Star Trek' captain's uniform, became the first person in space to sip from a freshly-brewed cup of coffee, using the ISS's new espresso machine.
03 May 2015, 10:31 AM ET
A Russian cargo vessel suffered a serious malfunction on its way to the space station, NASA's MESSENGER probe slammed into Mercury and the New Horizons spacecraft snapped the best-ever photos of Pluto. Here's a look at Space.com's top stories of the week.
02 May 2015, 02:21 PM ET
From a spacecraft spinning out of control to predicting a cosmic demise, don't miss these amazing space images of the week for May 3, 2015.
01 May 2015, 03:56 PM ET
Since splashing down after a history-making test flight in 2014, NASA's first Orion space capsule has been, for the most part, out of sight. Now, an auction benefiting students is offering the chance to go behind-the-scenes and see the Orion spacecraft up
01 May 2015, 03:07 PM ET
The private spaceflight company SpaceX will launch a pad abort test on May 6, 2015 to test the launch escape system on its manned Dragon spaceship. See the mission in photos here.
01 May 2015, 11:00 AM ET
The Russian Progress 59M cargo ship that launched on April 28, 2015, ran into trouble right away.
01 May 2015, 06:00 AM ET
Johann-Dietrich Wörner expressed his enthusiasm for a moon colony at the Space Foundation's National Space Symposium, a gathering of global, commercial, civil, military and "new space" experts that was held here from April 13 to April 16.
30 April 2015, 02:30 PM ET
NASA has selected Draper Laboratory to develop a wearable device that will track astronauts' movements around the International Space Station (ISS).
30 April 2015, 10:33 AM ET
The private spaceflight company Blue Origin launched a surprise test of its suborbital New Shepard spaceship on Wednesday (April 29) , a flight that successfully demonstrated the space capsule but failed to recover its reusable rocket booster.
30 April 2015, 07:00 AM ET
Russia's unmanned Progress 59 freighter will plunge to its death in Earth's atmosphere in the coming days. Astronauts aboard the International Space Station say they can make do despite the failure.
30 April 2015, 07:00 AM ET
The International Space Station could one day get armed with a laser to shoot down space debris. This concept could eventually lead to a laser-firing satellite that could get rid of most of the most troublesome space junk orbiting Earth.
29 April 2015, 12:14 PM ET
For more than 50 years, spacecraft have relied on rockets and tricky maneuvers to get out of danger when missions don't go as planned.
29 April 2015, 10:26 AM ET
The U.S. Air Force has spotted 44 pieces of space debris near an ailing Russian Progress 59 cargo ship that malfunctioned after launching into space on Tuesday (April 28). See what the space junk sighting may mean for space station astronauts.
28 April 2015, 05:19 PM ET
Three years after arriving in New York City for display, NASA's prototype space shuttle Enterprise was dedicated on April 27 to the Apollo 1, STS-51L and STS-107 astronauts who gave their lives in the pursuit of space exploration.
28 April 2015, 04:50 PM ET
His twin brother now on a yearlong mission aboard the space station, this former NASA astronaut is slated to compete on "Celebrity Jeopardy!" in May. Who is Mark Kelly?
28 April 2015, 03:13 PM ET
The astronauts and cosmonauts on the International Space Station are not at risk of running out of essential supplies, NASA officials said Tuesday (April 28) when a robotic Russian cargo ship suffered a serious malfunction after reaching orbit.
28 April 2015, 01:21 PM ET
The Senate voted unanimously April 27 to confirm Dava Newman as NASA's deputy administrator, more than six months after she was nominated.
28 April 2015, 09:39 AM ET
The Russian space agency Roscosmos is scrambling to regain control of a robotic Progress 59 cargo ship that appears to have suffered a serious malfunction shortly after launching into orbit early Tuesday (April 28).
28 April 2015, 05:30 AM ET
A robotic Russian cargo spaceship experienced a glitch shortly after launching toward the International Space Station Tuesday (April 28), delaying and potentially imperiling its arrival at the orbiting lab.
27 April 2015, 05:09 PM ET
Movie nights aboard the International Space Station have just received a major upgrade with the launch of the first projection screen designed for use in microgravity.
27 April 2015, 02:28 PM ET
Call it a rocket builder’s Vulcan death grip. There appears to be a bit of a row between United Launch Alliance's just announced new Vulcan rocket and the Paul Allen Vulcan Aerospace enterprise, the big and bold Stratolaunch aircraft.
24 April 2015, 06:10 PM ET
The Hubble Space Telescope, launched 25 years ago, will never land in a museum. But that doesn't mean all of Hubble's history will be lost. The observatory's legacy will live on in the artifacts from its quarter-century (and more) observing the universe.
24 April 2015, 04:53 PM ET
An interview with photographer Michael Soluri, who chronicled the leadup to the last servicing mission to the Hubble Space Telescope.
24 April 2015, 07:00 AM ET
SpaceX aims to subject a Dragon test vehicle to a "pad abort" trial at Florida's Cape Canaveral Air Force Station as early as May 5. The unmanned test will demonstrate how Dragon might respond in the event of a launch problem.
23 April 2015, 02:45 PM ET
Photographer Michael Soruri captures Hubble’s last servicing mission in his new book, “Infinite Worlds.” Here’s a sneak peak.
23 April 2015, 01:58 PM ET
Italian astronaut Samantha Cristoforetti is not just a space traveler, she's apparently also a bibliophile who can't bear to be apart from her books, even in space. See how she celebrated World Book Day off Planet Earth.
23 April 2015, 12:21 AM ET
Astronaut Scott Kelly has started a geography game, asking Twitter users to identify locations on Earth based on photos from space.
22 April 2015, 07:37 AM ET
On the 25-year anniversary of the launch of the Hubble Space Telescope, Space.com talked with science writer Robert Zimmerman, author of "The Universe in a Mirror: The Saga of the Hubble Space Telescope and the Visionaries Who Built it."
22 April 2015, 07:30 AM ET
The new documentary 'PLANETARY' includes interviews with former NASA astronauts, and urges viewers to reduce the fast pace of their technologically driven lives and embrace the slower rhythms of nature.
22 April 2015, 07:00 AM ET
In the documentary, 'PLANETARY,' former NASA astronaut Ron Garan gives an eloquent look at the fragility of the planet humanity calls home, and we have an exclusive clip of the film that captures his view.
21 April 2015, 05:34 PM ET
ABC's 'The Astronaut Wives Club' now has its launch date. The new docudrama about the spouses of the first U.S. spacemen will premiere Thursday night, June 18, 2015 at 8 p.m. EDT, the TV network has announced.