03 August 2015, 05:30 PM ET
Broomfield, Colorado-based Escape Dynamics announced July 17 it carried out a small-scale test in the laboratory of its beamed microwave thruster. In that test, the company beamed microwave energy to a thruster, heating helium propellant and generating a
03 August 2015, 06:38 AM ET
Signs life on planets outside our solar system could be found in exoplanet atmospheres, but possible "false positives" are making scientists cautious.
02 August 2015, 09:30 AM ET
It's a tech geek's dream in the underwater lab hosting four "aquanauts" for 14 days this month. Among the crew's need-to-have items is a cutting-edge Microsoft virtual-reality headset that one day will go to space itself.
31 July 2015, 02:17 PM ET
NASA has a new launch pad for small rockets, and it's open for business to companies hoping to send light satellites into the final frontier.
31 July 2015, 08:45 AM ET
XCOR Aerospace, a company developing a two-seat suborbital spaceplane for tourism and research applications, plans to raise its ticket prices by 50 percent next year, the company announced July 16.
30 July 2015, 08:04 PM ET
Engineers at NASA's Kennedy Space Center are developing the Extreme Access Flyer system, an airborne robotic vehicle similar to quad-copters. It’s mission would be to retrieve samples that might otherwise be inaccessible and to map terrain.
30 July 2015, 07:00 AM ET
NASA’s Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft and India's Mangalyaan probe both began circling the Red Planet last September, bringing the total number of operational Mars orbiters to five — the most ever.
29 July 2015, 01:43 PM ET
Got questions about artificial intelligence? Stephen Hawking has answers.
29 July 2015, 07:00 AM ET
Researchers are making strides on a radio telescope array that would be unfurled on the farside of the moon by an unmanned rover operated by astronauts hovering nearby at a gravitationally stable point in space.
28 July 2015, 04:51 PM ET
In order to begin addressing looming problem of human-created orbital debris, the Swiss Clean Space One project is developing a satellite to capture a test Cubesat.
28 July 2015, 09:38 AM ET
NASA is looking into a wild idea to explore the atmosphere of Jupiter or other gas giant planets using a robotic spacecraft designed to sail across extraterrestrial skies.
28 July 2015, 07:31 AM ET
A team of engineers has been at work for the past three years to develop a space cleanup satellite. The intent is to eliminate threatening, human-made orbital debris. The worry is not new – there’s lots of clutter to pick and choose from.
28 July 2015, 07:04 AM ET
See how Switzerland plans to clean up space junk using a small claw-equipped satellite.
27 July 2015, 11:20 PM ET
A number of prominent scientists have signed on to a letter warning that autonomous weapons should be banned.
27 July 2015, 03:30 PM ET
The dream of returning humans to the moon could become a reality for the relatively low price of $10 billion, as long as NASA is willing to buy from private spaceflight companies, a new report shows.
27 July 2015, 02:00 PM ET
A United Launch Alliance Delta IV Medium rocket will launch the seventh Wideband Global SATCOM (WGS-7) mission for the U.S. Air Force on July 23, 2015, from Cape Canaveral Air Force Station, Florida.
26 July 2015, 06:00 AM ET
Planet like an older Earth is found, Stephen Hawking signs on to an ambitious search for extraterrestrial life and a faulty strut is proposed as the cause of SpaceX's rocket explosion in Space.com's top news stories of the week.
24 July 2015, 05:14 PM ET
The U.S. Air Force successfully launched the latest addition to a multisatellite military communications array. The launch also marked the first use of a new main engine meant to standardize Delta IV launch vehicle configurations.
21 July 2015, 02:44 PM ET
The Medigus Ltd's micro ScoutCam™ 1.2 is the borescope camera on NASA’s Visual Inspection Poseable Invertebrate Robot (VIPIR) tool.
21 July 2015, 10:23 AM ET
The NASA New Horizons' long-range imaging camera (LORRI) has sent back the best views of the icy dwarf that humanity has ever seen and there is more to come. It is a panchromatic CCD camera that is 2 feet long with a 8.2-inch aperture
20 July 2015, 07:00 AM ET
Blasting tiny, waferlike sailing spacecraft with powerful lasers could slash interstellar flight times from thousands of years to mere decades, one researcher says.
19 July 2015, 03:42 AM ET
NASA's New Horizons probe dominated the news cycle this week, after making a successful close encounter with Pluto, and sending back incredible images and data. Plus, an astronaut mining company launched a tech-testing satellite.
19 July 2015, 03:19 AM ET
Gorgeous views of Pluto and its ice mountains, its largest moon Charon to the release of Plutos USPS stamp, don't miss these amazing space images.
17 July 2015, 12:30 PM ET
Planetary Resources has launched its first spacebound test of asteroid mining technology on July 16, beginning a 90-day mission to test vital technologies.
15 July 2015, 06:00 PM ET
NASA has just funded seven far-out space-exploration concepts, including a submarine that would explore the hydrocarbon seas of Saturn's huge moon Titan, an origami energy reflector and rapid space transit with an electric sail.
14 July 2015, 09:02 AM ET
Space.com's parent company, Purch, is debuting a free new app that helps consumers make informed buying decisions. Here's why we think Space.com readers will find it helpful.
13 July 2015, 06:17 PM ET
Hold on to your butts. On Tuesday, NASA will give Pluto its first close-up since the dwarf planet's discovery 85 years ago, and you can follow it all online, but be warned: You'll have to rise early and stay up late.
12 July 2015, 02:47 AM ET
NASA's New Horizons probe captured amazing images of Pluto, scientists revealed details about a proposed superpowerful space telescope and NASA announced its first four commercial-crew astronauts. Here are Space.com's top stories of the week.
11 July 2015, 01:16 AM ET
From gorgeous views of Pluto and its largest moon Charon to an amazing shot of the International Space Station crossing the moon's face, don't miss these amazing space images.
09 July 2015, 03:11 PM ET
SpaceX founder and CEO Elon Musk says data collected during the June 28 explosion of a Falcon 9 rocket is "difficult to interpret," and that the cause of the explosion is not yet understood.
08 July 2015, 07:00 AM ET
A major new telescope proposed for launch in the 2030s would focus on the search for life on other planets and view the universe with 25 times higher resolution than the Hubble Space Telescope.
02 July 2015, 07:00 AM ET
After "sleeping" for 26 years, a black hole's activity lit up astronomical observatories on June 15,and it's still going on today.
01 July 2015, 01:10 PM ET
In a pinch, would you rather drive that ship with dilithium crystals or good old-fashioned ion propulsion?
01 July 2015, 12:14 PM ET
NASA researchers are developing a glider, called Preliminary Research Aerodynamic Design to Land on Mars (Prandtl-m), for possible inclusion on a Mars rover mission in the 2022-2024 time frame.
01 July 2015, 07:30 AM ET
A group of university engineering students have created — and successfully test-fired — a 3D-printed rocket engine. The students aim to eventually launch tiny satellites to space.
30 June 2015, 07:00 AM ET
The first living being sent to Mars by humans may not be some lucky astronaut, or even a monkey, but a microorganism like cyanobacteria, sent there to create oxygen for human explorers.