30 May 2014, 02:58 PM ET
NASA's Wide-Field Infrared Survey Telescope (WFIRST) has the same 2.4m diameter aperture as Hubble but will use 18 fourth-generation images sensors (Hubble has a single ‘first-gen’ sensor).
30 May 2014, 12:41 PM ET
Little Joe's launch vehicle was launched for the first time on Oct. 4, 1959.
30 May 2014, 12:11 PM ET
In an event worthy of a Hollywood premiere, billionaire inventor Elon Musk unveiled – quite literally – his new manned Dragon Version 2 spacecraft Thursday night (May 29).
30 May 2014, 08:30 AM ET
Unveiling his company's new Dragon V2 SpaceX founder Elon Musk claims his space taxi may achieve human access to space for under $10 million per seat.The company has been launching unmanned Dragon Version 1 capsules to the space station since 2012.
29 May 2014, 09:20 PM ET
SpaceX unveiled the manned version of its Dragon space capsule May 29, 2014 during an invite-only event at the spaceflight company's Hawthorne, California campus.
29 May 2014, 06:10 PM ET
See photos of Dragon, Grasshopper and other SpaceX rockets taken since the company was founded in 2002.
29 May 2014, 03:38 PM ET
NASA's Morpheus lander ascended to more than 800 feet, flew forward and downward ~1300 feet and landed on May 28th, 2014. It also performed a 78-foot divert to simulate a hazard avoidance maneuver.
29 May 2014, 12:41 PM ET
Leading scientists, artists and thinkers from around the world will convene here this week for the World Science Festival, and you can watch the talks live in a webcast.
28 May 2014, 09:42 AM ET
The Moonhouse project is hoping to crowd-fund a mission to the moon that will deliver and construct a nearly 8 foot tall house. They hope to hitch a ride on an 'Astrobotic' lunar rover mission set to launch in Oct. 2015.
28 May 2014, 02:37 AM ET
How strong is the proof for cosmic inflation, the event that drove the Big Bang?
27 May 2014, 10:15 AM ET
To compensate for microgravity aboard the Space Station, printer maker "Made In Space" must alter mechanical configuration liquid handling. The company has taken its prototype on Zero-g flights for testing.
27 May 2014, 06:46 AM ET
Several upcoming missions will harness the subtle push of sunlight, using gossamer 'solar sails' to cruise through the heavens like boats through the sea. Such propellant-free propulsion could help humanity explore the solar system and beyond.
26 May 2014, 10:54 AM ET
What was your favorite space news story of the last week?
26 May 2014, 10:30 AM ET
From a huge new Mars crater to a new supernova, don't miss these amazing space images of the week for May 25, 2014.
23 May 2014, 10:05 PM ET
NASA's Earth Day Global Selfie is a mosaic view of the planet made up of more than 30,000 photos uploaded on social media. The mosaic shows the Earth as it looked on April 22, 2014.
22 May 2014, 04:54 PM ET
Next Thursday (May 29), the company will unveil the crewed version of its Dragon spacecraft, which SpaceX hopes will be ferrying people to and from the International Space Station a few short years from now.
22 May 2014, 04:06 PM ET
The U.S. Navy successfully launched a Standard Missile-3 — traditionally a ship-based, anti-ballistic missile — from an onshore launch site for the first time, military officials announced today (May 21).
22 May 2014, 03:35 PM ET
The U.S. Department of Defense's Missile Defense Agency conducted a test of Aegis Ashore Weapon System with the launch of the SM-3 Block IB guided missile from Kauai, Hawaii.
22 May 2014, 11:34 AM ET
The private spaceflight company SpaceX is building a giant rocket called the Falcon Heavy. See images of the planned Falcon Heavy heavy-lift booster in this Space.com gallery.
22 May 2014, 09:07 AM ET
See launch photos for the May 22, 2014 launch of an Atlas 5 rocket carrying the classified NROL-33 satellite in this Space.com gallery. The United Launch Alliance launched the mission for the U.S. National Reconnaissance Office.
21 May 2014, 03:49 PM ET
Should recent geopolitical events ultimately prompt the U.S. government to build a domestic alternative to the Russian-built RD-180 engine that powers one of its workhorse rockets, it probably makes more sense to develop one from scratch.
21 May 2014, 02:37 PM ET
The Satellite Sentinel Project — which has been using spacecraft imagery to monitor human rights abuses in Sudan and South Sudan since December 2010 — will also now conduct investigations, following the money trails that fund mass atrocities.
21 May 2014, 11:44 AM ET
The Special Purpose Dexterous Manipulator (SPDM) aka Dextre, will replace a faulty camera near the elbow of its attached robotic arm. This will be the first self-repair conducted by the the robot.
21 May 2014, 08:33 AM ET
Space.com shadowed a group of students from the University of California, San Diego who were selected by NASA to test an experiment on board a zero-gravity flight.
21 May 2014, 06:12 AM ET
Spirit and Opportunity, the Mars rovers, have outlived and outlasted any spacecraft on the surface of the red planet. Take a look at some of their latest Mars photos.
20 May 2014, 04:01 PM ET
Big Joe, a test rocket, had a successful yet failed test flight.
20 May 2014, 03:54 PM ET
Boeing and Samsung are teaming up to find new ways to incorporate mobile technology and applications into the CST-100 spacecraft, which Boeing is developing as part of NASA's commercial crew program.
20 May 2014, 06:00 AM ET
The space agency's Low-Density Supersonic Decelerator test vehicle is now fully assembled at the U.S. Navy's Pacific Missile Range Facility in Hawaii — the site of its first flight trial, which is currently scheduled for June 3.
19 May 2014, 04:18 PM ET
See photos and images of NASA's ISEE-3 spacecraft, a probe launched in 1978 that is returning for an Earth flyby in August 2014, in this Space.com gallery.
19 May 2014, 03:55 PM ET
The Advanced Tactics Black Knight Transformer successfully completed its first flight on March 22nd, 2014. The truck and its eight propellors can perform autonomous casualty evacuation and cargo resupply missions.
19 May 2014, 02:49 PM ET
NASA has shortlisted three potential commercial partners for non-funded agreements as part of the agency's quest to land robotic spacecraft on the moon.
19 May 2014, 10:46 AM ET
In the winter of 1997-1998, severe weather events were recorded across the continental U.S.. For month leading in the winter, warm (El Niño) conditions persisted in the Pacific Ocean. NASA's Jason-2 satellite is monitoring in 2014.