27 April 2014, 06:55 PM ET
Everyone knows that alcohol – ethanol to be precise – is a liquid at normal temperatures. So how can Palcohol be a solid?
27 April 2014, 09:20 AM ET
The dream of a supersonic passenger airplane lives on. NASA is currently researching new designs for supersonic aircraft, and the space agency is now focusing on reducing the strength of the sonic booms, the bane of supersonic flight.
26 April 2014, 09:55 PM ET
What was your favorite space news story of the last week?
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, 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, 11:20 AM ET
NASA's Morpheus lander logged a 98-second test flight on April 24th, 2014. As a test, Its Autonomous Landing and Hazard Avoidance Technology (ALHAT) calculated navigation solutions in flight, but the landing data was pre-programmed.
24 April 2014, 06:09 PM ET
The NASA astronaut who snapped the 20th century's most famous photograph of Earth from space hopes the image can continue helping to protect the planet — not just from the depredations of its human inhabitants, but also from incoming space rocks.
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, 04:23 PM ET
The Defense Advanced Research Projects Agency's (DARPA) multi-faceted project (satellite recycling, repair, construction) is looking to reduce the cost of geosynchronous orbit satellites, with 'Satlets'.
24 April 2014, 04:22 PM ET
The agile drones play a variety of specially rigged musical instruments — including drums, guitar and keyboard — during their performance of the famous song. They also play several other ditties, including the "Star Spangled Banner."
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, 10:34 AM ET
In a marketing exercise, the private space tourism company has joined forces with the sport utility vehicle giant to unveil the Land Rover Discovery Sport compact SUV.
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.
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, 12:09 PM ET
This is an early version of the modern computer.
20 April 2014, 08:40 PM ET
SpaceX’s F9R reusable rocket prototype launches on its first test flight, a vertical liftoff and landing test that carried the rocket 250 meters above a test pad in McGregor, Texas. SpaceX Grasshopper Scares Cows: http://goo.gl/u5KfQh
18 April 2014, 12:00 PM ET
The Defense Advanced Research Projects Agency (DARPA) says the telescope design — known as the Membrane Optical Imager for Real-Time Exploitation — would be of great use in geosynchronous Earth orbit.
18 April 2014, 11:00 AM ET
The next generation of satellites could hitch a ride on a fighter jet before heading into space. A new concept awarded to Boeing in late March could slice the launch costs by up to 66% if all goes well, the company said in a press release.
17 April 2014, 11:19 AM ET
The close-up of the right side of the control panel in the Plum Brook Facility shows the controls for the manual operation of the shim rods.
16 April 2014, 05:15 PM ET
When humans leave Earth to explore planets like Mars and other hostile environments in outer space, they'll need to supply their own breathable oxygen. NASA is now seeking proposals for systems to safely and efficiently regenerate air on those long trips.
15 April 2014, 04:00 PM ET
Chinese President Xi Jinping reportedly asked his nation's air force to hasten its integration of air and space capabilities. Some of the Chinese media framed Xi's request as a response to actions by the United States and other world powers.
15 April 2014, 12:19 PM ET
Milt Thompson climbs into the cockpit of the M2-F2 lifting body research aircraft.
15 April 2014, 11:30 AM ET
The large 4 engine turboprop P-3B Orion airplane was built for the Navy in the 1960's. Today it is flying low over glaciers for NASA's Operation Icebridge.
15 April 2014, 10:00 AM ET
The first total lunar eclipse of 2014 will occur overnight on April 14-15, and mark the beginning of a lunar eclipse tetrad - a group of four back-to-back total lunar eclipses. Space.com is offering complete coverage of the total lunar eclipse.
15 April 2014, 09:35 AM ET
On Tuesday (April 15), Space.com will premiere a new documentary "LIGO, A Passion for Understanding" by filmmaker Kai Staats, which follows scientists using the Laser Interferometer Gravitational-wave Observatories (LIGO) to hunt for gravitational waves.
14 April 2014, 01:38 PM ET
The Falcon 9 rocket carrying a Dragon capsule bound for the Space Station, was lifted into its vertical position at its Cape Canaveral Air Force Station launch pad. Read more about re-usable tech: http://goo.gl/QUc4zC
13 April 2014, 07:02 PM ET
Astronauts longing for fresh lettuce in orbit will soon have the chance to grow it for themselves: NASA is sending a mini-farm into space. The next SpaceX Dragon spacecraft to the International Space Station will deliver the Veggie experimental farm.
12 April 2014, 06:08 PM ET
On the 17th floor of a building here in the heart of midtown Manhattan, more than 100 computer programmers, software engineers and graphic designers have gathered to take part in NASA's third annual International Space Apps Challenge.
12 April 2014, 07:38 AM ET
SpaceX's third Dragon cargo mission is packed with 5,000 lbs. of vital supplies, including some intriguing technology and science experiments. See some of the best experiments riding the Dragon in this Space.com infographic.