26 April 2014, 03:11 PM ET
From a massive solar flare to a super-bright meteor exploding over the northern Russian city of Murmansk, don't miss these amazing space images of the week for April 26, 2014.
26 April 2014, 02:57 PM ET
From the moon and Mercury shining together to an amazing auroral display over Alaska, don't miss these spectacular night sky images by stargazers and Space.com readers.
25 April 2014, 06:30 PM ET
The unprecedented reusable rocket test launched by SpaceX last week paves the way for a potentially revolutionary leap forward in the cost of spaceflight, the private company's founder Elon Musk said today (April 25).
25 April 2014, 05:18 PM ET
Apollo 12 lunar module pilot Alan Bean, the fourth man to walk on the moon, is selling a small treasure trove of souvenirs he brought back from his 1969 lunar voyage. Bean has entrusted his moon memorabilia to Heritage Auctions of Dallas for their May 14
25 April 2014, 04:40 PM ET
SpaceX is filing a formal protest in the U.S. Court of Federal Claims over a multibillion-dollar U.S. Air Force contract to its incumbent launch services provider, United Launch Alliance, SpaceX founder Elon Musk says.
25 April 2014, 12:21 PM ET
A ramjet engine burns during a flight test for the P-61.
25 April 2014, 12:00 PM ET
The Defense Advanced Research Projects Agency (DARPA) awarded prime contracts to eight companies earlier this month, advancing its satellite-servicing Phoenix program to Phase 2 of development.
25 April 2014, 12:00 PM ET
The way NASA chief Charles Bolden sees it, the future of U.S. space exploration is in deep space, and the only way to get there is with the commercial space industry and working on an international basis with countries like China and Russia.
24 April 2014, 06:07 PM ET
Bitcoins soon may go off the grid and into space. One private venture is aiming to launch a cluster of tiny satellites that would broadcast the latest bitcoin transactions from orbit.
24 April 2014, 02:45 PM ET
This machine simulates the vibration, G-forces and pressure spacecrafts encounter during launch and landing.
24 April 2014, 06:53 AM ET
NASA's Lunar Atmosphere and Dust Environment Explorer (LADEE) slammed into the moon's surface, as planned, in the early hours of April 18, bringing to six the number of spacecraft whose remains are known to dot the lunar far side.
24 April 2014, 06:00 AM ET
The U.S. Air Force's X-37B space plane launched on its third and latest mission on Dec. 11, 2012. As of today (April 24), the vehicle has been aloft for 500 days — far longer than its officially stated maximum orbital lifetime of 270 days.
23 April 2014, 03:00 PM ET
Automaker Land Rover is teaming up with private spaceflight company Virgin Galactic to help transport future commercial astronauts on Earth before flights to space.
23 April 2014, 01:29 PM ET
While moonwalker Buzz Aldrin thinks that a mission sending humans to an asteroid is a good idea, the Apollo astronaut isn't so happy with NASA's current plan to get astronauts to a space rock.
23 April 2014, 11:17 AM ET
A pair of NASA astronauts replaced a dead backup computer on the International Space Station during a short spacewalk Wednesday (April 23) to restore a critical computer system back to full strength.
23 April 2014, 10:10 AM ET
See photos of NASA astronauts Rick Mastracchio and Steve Swanson as they spacewalk outside the International Space Station on April 23, 2014 to replace a dead backup computer on the outpost's exterior.
23 April 2014, 08:54 AM ET
Two NASA astronauts will take a short spacewalk to replace a dead computer on the International Space Station today. See how to watch it live here.
23 April 2014, 06:50 AM ET
SpaceX's Falcon 9R rocket soared about 820 feet into the air last week at the company's rocket development facility in McGregor, Texas, then came back down to Earth for a soft landing on the launch pad as planned.
23 April 2014, 06:41 AM ET
In order for humanity to survive into the distant future, we need to visit and even colonize other worlds, according to NASA chief Charles Bolden.
22 April 2014, 06:48 PM ET
ISS Commander Koichi Wakata and Flight Engineers Richard Mastracchio and Steve Swanson have a message to share with the world on April 22nd, 2014, Earth Day. -- Satellite's Earth Day Photo: http://goo.gl/iXd3z8
22 April 2014, 04:47 PM ET
See photos of SpaceX's innovative F9R, the Falcon 9 Reusable rocket prototype, as it soars through test flights. The SpaceX F9R rocket is a Falcon 9 booster first stage equipped with landing legs and a vertical landing system.
22 April 2014, 12:21 PM ET
Long before the first Instagram from space, the first check-in from orbit, or even the first astronaut's tweet, John Glenn sent an email to President Bill Clinton. The reply it prompted was the very first email transmitted by a sitting U.S. president — it
22 April 2014, 11:02 AM ET
The M2-F3 is launched from the B-52 Mothership.
22 April 2014, 07:01 AM ET
Sending astronauts to the surface of Mars has been a longtime goal for NASA and other space exploration agencies. That Martian goal takes center stage in a Washington, D.C. conference, and you can watch it live online.
22 April 2014, 06:30 AM ET
Houston has landed a new partner in its bid to establish its own spaceport in the form of a private spaceflight company that may someday land its mini space shuttle in the city.
22 April 2014, 03:40 AM ET
NASA has long held the lead in the exploration of Mars, and that trend will continue, says NASA administrator Charles Bolden.
21 April 2014, 05:30 PM ET
NASA is developing a new spacecraft to take mankind to deep space, and high school students will have an important role in designing it.
21 April 2014, 01:21 PM ET
The U.S. Air Force's mysterious robotic X-37B space plane is sailing toward the 500-day mark in Earth orbit on a secret military mission. The X-37B space plane launched on Dec. 11, 2012, and is out the Orbital Test Vehicle 3 (OTV-3) mystery mission.
21 April 2014, 11:22 AM ET
The Dragon cargo capsule, from private rocket transport company SpaceX was captured by the robotic arm and docked to international Space Station on April 20th, 2014.
21 April 2014, 11:14 AM ET
Were it not for John C. Houbolt, the United States might never have landed men on the moon. The engineer, who died at the age of 95, sold the nation's space program leaders on an alternate flight plan, called Lunar Orbit Rendezvous (LOR).
20 April 2014, 10:18 AM ET
A commercial Dragon cargo ship built by SpaceX made an Easter delivery to the International Space Station Sunday (April 20) to deliver tons of gear, supplies and even some treats for the astronauts on board.
20 April 2014, 06:30 AM ET
SpaceX's unmanned Dragon spacecraft launched on Friday afternoon riding a SpaceX Falcon 9 rocket to orbit. Dragon is due to be grappled by the space station's robotic arm at 7:14 a.m. EDT Sunday.