27 August 2014, 07:00 AM ET
SpaceX scrubbed the planned early Wednesday liftoff of a commercial communications satellite to perform a thorough check of its launch systems in the wake of a test-flight mishap last week involving a prototype rocket.
26 August 2014, 07:36 PM ET
A look at Masten Space System's plans for the U.S. military's proposed Experimental Spaceplane (XS-1) vehicle. Masten is one of three companies holding XS-1 design contracts.
26 August 2014, 03:13 PM ET
NASA astronaut Robert Overmyer, who flew on two space shuttle missions in the early 1980s, was remembered Saturday (Aug. 23) with the dedication of a historical marker in his Ohio hometown.
26 August 2014, 12:09 PM ET
The steel tower used to mount NASA space shuttles atop jumbo jets to fly them cross-country after they landed in California is now being dismantled. The Mate-Demate Device at NASA Armstrong Flight Research Center stood for four decades.
26 August 2014, 11:49 AM ET
Former NASA administrator Mike Griffin thinks the United States' dependence on Russian technology to fly astronauts to the International Space Station is tantamount to a "hostage situation," according to an interview conducted in May.
26 August 2014, 08:46 AM ET
The U.S. Army launched a prototype hypersonic weapon test from Alaska on Monday (Aug. 25), only to destroy the superfast vehicle seconds later when something went wrong.
26 August 2014, 06:00 AM ET
NASA's Voyager 2 spacecraft made the first-ever flyby of Neptune on Aug. 25, 1989, zipping by the planet and its moon Triton in quick succession. The historic encounter gave a face to two worlds that until that time had dwelt in depth and shadow.
25 August 2014, 06:06 PM ET
A robotic space probe is due to set down on a comet in November, and now scientists have identified five sites where it could land.
25 August 2014, 03:40 PM ET
Expedition 40 astronaut Alexander Gerst said "We flew right through a massive aurora after last week's solar mass ejection." The space station maintains a altitude of between 205 and 270 miles above Earth.
25 August 2014, 03:37 PM ET
New Horizons — which is scheduled to zoom through the Pluto system on July 14, 2015 — passed Neptune's orbit today, 25 years to the day after NASA's Voyager 2 probe executed the first-ever flyby of faraway Neptune and its icy moon Triton.
25 August 2014, 02:01 PM ET
NASA is developing a band of autonomous robots called "swarmies" that use radio waves to communicate with each other and may one day be used to explore the moon or Mars.
25 August 2014, 12:45 PM ET
ESA's Rosetta mission will attempt to land its Philae lander in November 2014 on the surface of comet 67P/Churyumov-Gerasimenko. Measurements of surface temperature, mass and gravity from the probe weighed into the decision.
25 August 2014, 10:07 AM ET
NASA's Solar Dynamics Observatory captured the M5.6-class flare in multiple wavelengths, while the NASA/ESA Solar and Heliospheric Observatory wide view captured some of the ensuing coronal mass ejection.
25 August 2014, 08:03 AM ET
The moon has a distinctive smell. Ask any Apollo moonwalker about the odiferous nature of the lunar dirt and you'll get the same answer. The moon smells like gunpowder.
24 August 2014, 09:12 AM ET
The launch service provider Arianespace confirmed late Friday (Aug. 22) that two satellites for Europe's Galileo navigation network were released into the wrong orbit after launching aboard a Soyuz rocket from French Guiana.
23 August 2014, 11:55 PM ET
What was your favorite space news story of the last week?
23 August 2014, 02:20 PM ET
From dramatic star formation to Russia's next-generation rocket, don't miss these amazing space images of the week for Aug. 23, 2014.
23 August 2014, 12:54 PM ET
From Venus and Jupiter taking center stage, to spectacular auroras, don't miss these amazing objects to watch in the night sky.
23 August 2014, 11:44 AM ET
The private spaceflight company's Falcon 9 reusable (F9R) rocket was forced to self-destruct after an anomaly during a test flight on Friday April 21st, 2014. They are preparing a thorough investigation into Friday's mishap.
23 August 2014, 10:34 AM ET
A Soyuz ST-B rocket blasted off from the European Spaceport in Kourou, French Guiana with a payload of two Full Operational Capability (FOC) satellites for the Galileo constellation.
23 August 2014, 08:20 AM ET
The northern lights illuminated Arctic skies earlier this week in a stunning display that could even be appreciated by astronauts living on the International Space Station.
23 August 2014, 07:52 AM ET
A SpaceX F9R reusable rocket protoype exploded over McGregor, Texas, on Friday (Aug. 22) during a complicated test flight. See video of debris falling from the sky here.
22 August 2014, 10:26 PM ET
The private space company's Falcon 9 Reusable (F9R) rocket exploded on August 22nd, 2014 during a test flight in McGregor, Texas. Footage of the wreckage falling back to the surface after the explosion was uploaded to Youtube by Pat Hykkonen.
22 August 2014, 07:41 PM ET
Hakuto's rovers will team up to explore lunar caves.
22 August 2014, 06:31 PM ET
NASA astronaut Steven Nagel, who flew on four space shuttle missions, died on Thursday, Aug. 21. He was 67. Nagel died after a long battle with cancer, the Association of Space Explorers reported.
22 August 2014, 04:12 PM ET
This week, aerospace firm Northrop Grumman released artwork depicting its conception of the XS-1 space plane, which it's designing under a $3.9 million contract from the U.S. Defense Advanced Research Projects Agency (DARPA).
22 August 2014, 03:07 PM ET
The U.S. military is developing the XS-1 Experimental Spaceplane to launch space missions faster and cheaper than ever before. See photos and images of the DARPA-led XS-1 space plane project in this Space.com gallery.
22 August 2014, 02:29 PM ET
Two astronauts living and working on the International Space Station have captured a one-two punch of incredible views showing two active volcanoes spewing steam and lava from space.
22 August 2014, 10:54 AM ET
New research led by NASA shows that spaceflight confuses the immune system.
22 August 2014, 06:02 AM ET
The new map, made using photos taken by NASA's Voyager 2 probe in 1989, has also been turned into a movie reconstructing the spacecraft's historic Triton encounter — the only time a spacecraft has ever visited the Neptune system.
21 August 2014, 06:37 PM ET
The probe passed within 25,000 miles (40,000 km) of the Neptune moon in August 1989. Highly detailed maps from Voyager were used to recreate the surface colors. Full Story: http://goo.gl/FdROmX
21 August 2014, 12:00 PM ET
As SpaceX gets ready to launch astronauts into space in the coming years, the California-based company is also pushing the frontier in another field: 3D printing.