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, 02:25 PM ET
In October 2011, the Progress 42P spacecraft was undocked from the International Space Station and destroyed in a fiery atmospheric re-entry. It safely burned up over the Pacific Ocean.
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, 10:21 AM ET
The Progress 59 spacecraft developed an issue after separating from its Soyuz booster. Shortly after separation, TV cameras were turned on aboard the spacecraft, revealing it to be spinning. Mission controllers are currently working the problem.
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, 07:00 AM ET
Dawn arrived at the science orbit on Thursday (April 23), spiraling down to an altitude of 8,400 miles (13,500 kilometers), NASA officials said. The probe achieved this milestone on schedule, but not without a bit of drama.
28 April 2015, 07:00 AM ET
Yeast from the Ninkasi Brewing Co. took a rocket ride to space and back before being used in the firm's new "Ground Control" beer.
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, 07:32 PM ET
The TurkmenAlem52E/MonacoSAT was launched aboard a Falcon 9 rocket on April 27th, 2015. The communication satellite was built by Thales Alenia Space.
27 April 2015, 07:30 PM ET
The Falcon 9 blasted off from Florida's Cape Canaveral Air Force Station at 7:03 p.m. EDT (2303 GMT). The two-stage rocket carried aloft the TurkmenÄlem52E/MonacoSat communications satellite, which will be operated by the government of Turkmenistan.
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, 04:14 PM ET
A SpaceX Falcon 9 rocket will launch the TurkmenAlem52E/MonacoSAT satellite into orbit for Turkmenistan and Thales Alenia Space on April 27, 2015. See the ramp up to the mission in photos in our photo gallery here.
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.
27 April 2015, 02:00 PM ET
A team of Russian researchers are using the Altai Optical Laser Center (AOLC) near Savvushka, Russia to image from the ground various spacecraft. The intent of their work is to help solve problems in space surveillance.
27 April 2015, 01:47 PM ET
A research team has published some intriguing work in Nature Geoscience regarding transient liquid water and water activity at Gale crater on Mars – the exploration zone of NASA’s Curiosity rover.
27 April 2015, 01:04 PM ET
Astronauts on the International Space Station have the people of Nepal in their thoughts and prayers after a devastating earthquake killed more than 4,000 people in that country on Saturday (April 25).
27 April 2015, 09:09 AM ET
Healthy snacks aboard the international Space Station include dried fruit, cereal, nuts, seeds and more. ESA astronaut Samantha Cristoforetti shows off the selection aboard the ISS's Node 1 (Unity Module).
25 April 2015, 07:00 AM ET
This week, NASA and the space science community celebrated 25 years since the launch and deployment of the Hubble Space Telescope, an instrument with one of the greatest redemption stories in science history.
24 April 2015, 06:47 PM ET
The unmanned X-37B, which looks like a miniature version of NASA's now-retired space shuttle orbiter, is scheduled to blast off atop a United Launch Alliance Atlas V rocket from Florida's Cape Canaveral Air Force Station on May 20.
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, 01:00 PM ET
SpaceX's daring reusable rocket test last week came up just short because of an issue with a 'throttle valve,' company founder and CEO Elon Musk said.
23 April 2015, 12:30 PM ET
An awe-inspiring landscape of multicolored dust and jewel-like stars has been unveiled as the official image of the 25th anniversary of the Hubble Space Telescope.
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, 10:36 AM ET
In 2010, President Obama set forth several initiatives for America’s space agency. This 2015 NASA video attempts to report on the status of those projects.
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, 07:13 AM ET
As Earth Day (April 22) reaches its 45th anniversary, NASA has a series of activities planned to celebrate the beauty of our home planet.