28 June 2014, 01:10 AM ET
The twin telescopes at the W.M. Keck Observatory are the largest optical and infrared telescopes in the world. The telescopes are located atop Mauna Kea, a dormant volcano in Hawaii.
27 June 2014, 04:45 PM ET
The sun's volatile atmosphere is even bigger than scientists expected, a NASA spacecraft has revealed. The space agency's STEREO satellite found that the solar atmosphere, known as the corona, stretches 5 million miles above the sun's surface.
27 June 2014, 04:10 PM ET
Footage from NASA's Solar Terrestrial Relations Observatory, or STEREO, shows the mesmerizing flow of sound-like waves moving through the sun's corona.
27 June 2014, 03:49 PM ET
The Angara rocket was scheduled to blast off today (June 27) from Plesetsk Cosmodrome in northwestern Russia, but automated control systems detected a problem and aborted the launch during the final countdown, Reuters reported.
27 June 2014, 02:35 PM ET
Two American astronauts on the International Space Station got a space-based head shaving yesterday courtesy of German crewmember Alexander Gerst after the three spaceflyers went in on a World Cup wager.
27 June 2014, 01:18 PM ET
If Germany won, NASA's Steve Swanson and Reid Wiseman get their heads shaved. If USA won, ESA's Alexander Gerst gets the US flag painted on his head. Gerst's ISS'barber shop' was open for business after the game. FULL STORY: http://goo.gl/WD3mKr
27 June 2014, 12:57 PM ET
Crater Trueblood must save Earth and his girlfriend from gene-spliced hybrids. The latest installment of Homer Hickam's Helium 3 series is available on Amazon.
27 June 2014, 12:16 PM ET
The glowing Milky Way shines over Rattlesnake Lake in Washington State in this stunning image. Astrophotographer Matt Zietzke took this image from Rattlesnake Lake near North Bend, Washington on May 19, 2014.
27 June 2014, 11:31 AM ET
The former NASA Assistant Administrator for Policy and former Assistant Director for Research Applications at the National Science Foundation came to NACA in 1944.
27 June 2014, 10:43 AM ET
NASA's Orbiting Carbon Observatory (OCO-2), due to launch on July 1st, 2014, will study the greenhouse gas carbon dioxide. It will dramatically incerease the observation of CO2, delivering important data on its sources and 'sinks'.
27 June 2014, 10:01 AM ET
The Goddard Space Flight Center is managing the safety, design, engineering and finances. They also delivered 2 of the instruments aboard the spacecraft. It launched in November 2013 and is due to arrive in September 2014.
27 June 2014, 10:00 AM ET
The new film "Earth to Echo" — which follows a group of kids on a journey to help save a small alien robot — might have a bit of extraterrestrial truth at its core, one alien-hunting astronomer says.
27 June 2014, 07:01 AM ET
Scorpius is one of the prettiest constellations in the sky, and one of the few that actually resemble their names.
27 June 2014, 07:00 AM ET
An astrophotographer sends in a stunning a panoramic image of the Milky Way over a field in New Hampshire.
27 June 2014, 12:02 AM ET
This cool space wallpaper shows an exit hole through Kevlar–Nextel fabric after hypervelocity testing of the multilayer shielding for ESA’s ATV space freighter, simulating an impact by space debris.
26 June 2014, 04:22 PM ET
The NASA video shows the tense scene at mission control on the night of June 30, 2004, as the Cassini spacecraft prepared to execute a crucial engine burn that would allow it to enter orbit around Saturn.
26 June 2014, 03:40 PM ET
A student-led mission aims to send a time capsule to the Red Planet, using a new, more compact kind of propulsion system.
26 June 2014, 01:25 PM ET
An astronomer has recreated the "Pillars of Creation," which the Hubble Space Telescope captured in a famous photo, using a computer simulation.
26 June 2014, 11:59 AM ET
As it turns out, Anna Kikina is to become a cosmonaut after all. The only woman among Russia's recent candidate group, Kikina was excluded from the cosmonaut corps by the commission overseeing the selections. That decision though, has now been reversed.
26 June 2014, 11:41 AM ET
A computer simulation shows how an interstellar cloud of gas and dust can collapse and expand over 1.6 million years, forming "elephant trunks" like the ones seen in the "Pillars of Creation." FULL STORY: http://goo.gl/4Ke1Sj
26 June 2014, 11:03 AM ET
Langley technicians manufacture the Boilerplate Mercury spacecraft.
26 June 2014, 10:30 AM ET
The World Cup stakes just got a little higher for astronauts aboard the International Space Station.
26 June 2014, 09:33 AM ET
In 2004, the NASA science probe reached the ringed planet and was successfully captured by its gravity. The mission control team at NASA's Jet Propulsion laboratory celebrate the moment that orbit insertion confirmation is relayed to Earth.
26 June 2014, 07:30 AM ET
A 36-year-old spacecraft controlled by a private team “almost” performed an engine firing yesterday (June 25) to increase its roll, but it was called off after concerns the spacecraft did not receive all commands.
26 June 2014, 12:54 AM ET
The Kansas Cosmosphere and Space Center hoisted the historic Mercury space capsule out of its basement gallery and loaded it onto a truck bound for the museum's nearby restoration facility last Wednesday (June 18).
25 June 2014, 07:20 PM ET
NASA's Steve Swanson and Reid Wiseman and European Space Agency astronaut Alexander Gerst, who hails from Germany, showed off their moves in a soccer exhibition aboard the orbiting lab in a new video released by NASA.
25 June 2014, 07:20 PM ET
Nothing quite compares to celebrating a goal in microgravity, even the robots are getting into it. More futbol moves are on display by crew members Steve Swanson, Reid Wiseman, and Alexander Gerst.
25 June 2014, 06:10 PM ET
NASA successfully completed its "most complex" test of the Orion spacecraft's parachute system today (June 25), according to the space agency.
25 June 2014, 04:48 PM ET
Astronomers have discovered an exoplanet in the star Gliese 832's "habitable zone" — the just-right range of distances that could allow liquid water to exist on a world's surface. The planet, known as Gliese 832c, lies just 16 light-years from Earth.
25 June 2014, 03:11 PM ET
The space agency aims to loft its Low-Density Supersonic Decelerator test vehicle Saturday from the U.S. Navy's Pacific Missile Range Facility in Hawaii. The launch window opens at 2:15 p.m. EDT; you can watch all the action here on Space.com.
25 June 2014, 01:01 PM ET
Scientists have just discovered a distant galaxy with a trio of supermassive black holes at its core. The new finding suggests tight-knit groups of these giant black holes are far more common than previously thought.
25 June 2014, 12:31 PM ET
The next generation capsule was dropped from 35,000 feet and free fell for 10 seconds, before deploying parachutes and landing in the desert of the U.S. Army’s Yuma Proving Ground in Arizona. The test occurred on June 25th, 2014.