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.
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, 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.
25 June 2014, 09:50 AM ET
Earth's nearest star has bad weather too. The sun's bad weather, however, is more than just a little rain and lightning. Huge droplets of hot plasma about the size of Maine fall from the sun's outer atmosphere (the corona) down toward its surface.
25 June 2014, 07:30 AM ET
Recent observations from the largest solar telescope on Earth reveal a never-before-seen look at fine structures on the sun.
25 June 2014, 07:22 AM ET
Using vintage telescope data, scientists have attempted to map Pluto's icy depths before a NASA spacecraft reaches the distant dwarf planet in 2015.
24 June 2014, 09:12 PM ET
This space wallpaper shows an artist’s conception of the environment around GRB 020819B based on ALMA observations.
24 June 2014, 06:04 PM ET
The asteroid-mining firm Planetary Resources and citizen-science site Zooniverse have teamed up to launch Asteroid Zoo, which asks people around the world to scour image archives for undiscovered space rocks that zoom close to Earth.
24 June 2014, 04:59 PM ET
The electrically charged gas falls from the Sun's corona to the surface. The 'coronal rain' was captured by Swedish 1-m Solar Telescope (SST).
24 June 2014, 04:37 PM ET
NASA's Chandra X-ray Observatory and the European Space Agency's XMM-Newton satellite spotted a spike of X-ray emission coming from more than 70 galaxy clusters. The X-rays could be generated by the decay of one type of dark-matter particle.
24 June 2014, 04:00 PM ET
A newly formed international center will study satellite collisions and the countless issues regarding what to do about the menacing growth of orbital debris.
24 June 2014, 03:06 PM ET
The mysterious signal was detected by NASA's X-Ray Observatory and ESA's XMM-Newton in the Perseus galaxy cluster and 73 others. Scientists think that this may be the work of a hypothetical particle called a sterile neutrino.
24 June 2014, 11:44 AM ET
World View, an Arizona-based private spaceflight company that wants to take adventurers to the stratosphere using high-altitude balloons, announced that it has successfully completed a test of its scaled-down flight system.
24 June 2014, 09:54 AM ET
Private company World View is building capsules that are transported by parafoil and high-altitude balloons to 120,000 feet, to give passengers a breath-taking view of Earth.
A scaled version of the capsule was lofted to that altitude.