15 June 2015, 11:14 AM ET
An RS-25 – same design as those on Space Shuttle – was hot-fired for 500 seconds on June 11th, 2015. Four such engines will power the core booster of NASA's forthcoming Space Launch System.
11 June 2015, 05:01 PM ET
The NASA probe's LORRI instrument snapped new imagery of the double planet from May 28th until June 3rd, 2015. The ice dwarfs' features are starting to come into focus.
11 June 2015, 03:11 PM ET
WASP-33b, an exoplanet 4 1/2 times more massive that Jupiter, has a layer in its atmosphere that absorbs ultraviolet radiation, preventing UV from reaching the surface. Earth has a similar stratospheric UV filter.
11 June 2015, 11:06 AM ET
ESA astronaut Samantha Cristoforetti gives a tour of her "bedroom" aboard the International Space Station.
11 June 2015, 09:52 AM ET
Terry Virts (NASA) and Samantha Cristoforetti (ESA) and Anton Shkaplerov (Roscosmos) landed aboard a Soyuz capsule southeast of Dzhezkazgan, Kazakhstan on June 11th, 2015.
10 June 2015, 01:34 PM ET
Are they ice? Salt? Something exotic? NASA is still baffled by the origin of the bright spots observed by the Dawn Mission but the latest mapping orbit of 2,700 miles (4, 400 km) above the surface reveals the best detail yet.
10 June 2015, 11:15 AM ET
Average distances between galaxies are relatively much smaller than average distances between individual stars. Not so galaxy NGC 6503, which is on its own in a region known as the Local Void, about 17 million light years away from Earth.
10 June 2015, 06:17 AM ET
L2 Puppis, one of the closest red giant stars (200 light-years), is dying and puffing off an early stage bipolar planetary nebula.
09 June 2015, 02:12 PM ET
On May 27th, 2015, the ISS Permanent Multipurpose Module (PMM) was relocated to make way for a space berthing port for U.S. cargo spacecraft. Cameras aboard the International Space Station captured an amazing view of the move.
09 June 2015, 09:54 AM ET
The crew of a starship wakes up from stasis with no memory of who they are. A thirteen episode order has been made by Syfy and its based on the Dark Horse comics' limited series.
08 June 2015, 06:05 PM ET
On June 8th, 2015, NASA's Low-Density Supersonic Decelerator (LDSD) vehicle successfully launched via balloon to ~120,000 feet and its rocket was fired. It reached speeds of up to Mach 4 before engines were shut down.
08 June 2015, 10:33 AM ET
A GoPro camera on the payload fairing of a recently launched SpaceX Falcon 9 captured stunning views as its spun its way back down to Earth, post-separation.
08 June 2015, 10:31 AM ET
As NASA’s Dawn Mission mapped the crater-riddled little world, the images used to make this animation were captured from about 8,400 miles altitude and include navigation imagery from 3,200 miles out.
08 June 2015, 09:37 AM ET
Though Hubble doesn’t typically discover exoplanets, it is sometimes used to determine what lies in their atmospheres. Future telescopes should be powerful enough to ‘see’ markers of life processes in the ‘air’ of Earth-sized alien world.
05 June 2015, 08:54 PM ET
The light from the faraway HATLAS J090311.6+003906 structure was warped by a massive foreground galaxy to form an ‘Einstein Ring’ as captured by the ALMA observatory’s Long Baseline Campaign.
05 June 2015, 07:48 PM ET
The Jet Propulsion Laboratory (JPL) robot has 4 limbs and can become quite handy in disaster situations. The robot's mission (and how it could accomplish it) is the subject of the the latest "Crazy Engineering" episode from NASA JPL.
04 June 2015, 01:40 PM ET
Dwarf planet Ceres and asteroid Pallas, discovered in 1801 and 1802, are visible in the night sky in June. Ceres was originally classified as a planet, then an asteroid, and finally a dwarf planet after further observation.
03 June 2015, 01:49 PM ET
The potato-shaped Plutonian moon Nix has been found to have an irregular spin. Its odd shape plays a part in its motion according to NASA. It's not a loner though, one of Pluto's other moons, Hydra, also shares the same characteristics.
03 June 2015, 01:08 PM ET
What will we find when we get to Pluto? NASA's New Horizons' team tells Space.com about the discoveries on the horizon and its far reaching implications.
02 June 2015, 05:32 PM ET
NASA astronaut Michael Foreman is a spacewalk veteran who knows what it's like to suit up in a one-man spaceship to build space stations. See his view on how spacewalking has evolved since the first outings in 1965.
02 June 2015, 03:35 PM ET
The UAE space agency is developing an orbiter to study the atmosphere of Mars. Project managers explain the mission, which is slated for a 2021 launch.
01 June 2015, 09:08 AM ET
Engineers at Aerojet Rocketdyne assemble the ‘RS-25’ a.k.a. Shuttle Main Engine engine at NASA's Stennis Space Center. First fired in May of 1975, four such legacy-design motors will power the core of the Space Launch System.
29 May 2015, 07:48 PM ET
Hercules, Boötes (Herdsman), and Draco (Dragon) constellations are highlights for sky gazers in June. Also, Venus and Jupiter are bright in the evening sky and Jupiter rings are viewable with binoculars in the southern sky.
29 May 2015, 10:16 AM ET
The European Space Agency probe has returned stunning imagery of oddly shaped comet 67P/Churyumov-Gerasimenko. A University of Bern astrophysicist has reconstructed the process in which this comet (and others like it) may have formed.
28 May 2015, 10:35 AM ET
The appearance of high-power, super-fast jets of plasma from supermassive black holes at the core of galaxies is a sign of recent – or presently continuing – merger with with another galaxy. Such jets emit powerful radio waves in opposite directions.
27 May 2015, 06:28 PM ET
If the private space company’s Falcon booster were to fail, Dragon showed it can blast astronauts to safety during this test of May 8th, 2015. The capsule kicks from 0-100 MPH in 1.2 seconds – about 4G of acceleration.
27 May 2015, 02:24 PM ET
The jet of shredded matter blasting from elliptical galaxy NGC 3862's supermassive black hole is moving at more than 98% the speed of light.
27 May 2015, 12:04 PM ET
The Canadarm2 remote manipulator was used to transfer the Permanent Multipurpose Module (PMM) to the forward port of the Tranquility Module. The shift was necessary to free up the port for commercial crew use.
27 May 2015, 09:23 AM ET
On March 28th, 2015, the Soyuz TMA-16M (Expedition 43) mission docked with the ISS. A camera aboard the spacecraft captured the rendezvous and docking.
27 May 2015, 07:05 AM ET
This bodacious pullulation of star creation was captured when the European Southern Observatory VLT set its sights on the Gum 19 nebula (a.k.a. RCW 34).
26 May 2015, 11:23 AM ET
The Permanent Multipurpose Module (PMM) will be moved to a nearby port to create a spare docking port for United States commercial crew transport by SpaceX, Boeing and possibly others in the future.
26 May 2015, 10:06 AM ET
The Air Force spacecraft, known for its secretive United States national security missions, is built by Boeing. The company's director of experimental systems, Ken Torok, talks about what makes it unique.