10 August 2015, 04:00 PM ET
A study of 200,000 galaxies has revealed that the Universe generates about half as much energy as it did 2 billion years ago. The Galaxy and Mass Assembly catalogue is accurately depicted in this visualization.
07 August 2015, 12:42 PM ET
About a third of our Milky Way's stars have migrated far from their birth-places. Astrophysicists, using the Apache Point Observatory's Galactic Evolution Explorer spectrograph, profiled the chemical signatures of 146,000 stars.
06 August 2015, 11:23 AM ET
Scientists remain puzzled as to the composition of bright material on a tall cone-shaped peak, as imaged by NASA’s Dawn spacecraft. The mountain is odd in that it is not the central spire of a crater.
05 August 2015, 10:26 AM ET
Orbiting 1 million miles ‘sunward’ of Earth, a four megapixel CCD camera/telescope captured Luna crossing over the Pacific Ocean from the Deep Space Climate Observer’s point of view on July 16th, 2015.
05 August 2015, 09:53 AM ET
Escape Dynamics of Colorado is developing remotely powered thrust systems for trans-atmospheric spacecraft. Offloading the mass of fuel and large engines could empower “single-stage-to-orbit" reusable vehicles.
05 August 2015, 07:09 AM ET
The remains of a dying star, planetary nebula ESO 378-1, have been imaged by the European Southern Observatory's Very Large Telescope. These type of nebula are created from a star's death throws, as gas is ejected and expands.
04 August 2015, 11:31 AM ET
A 21-foot-long articulate robotic arm has landed at Marshall Space Flight Center to create parts for the Space Launch System rocket.
04 August 2015, 10:39 AM ET
The Mars Science Laboratory's investigation of Gale Crater and its central peak Mt. Sharp has revealed a geology prominently shaped by liquid flows.
04 August 2015, 09:32 AM ET
Channels "carved into the steep-sided walls" of canyons in Mars’ Atlantis Chaos lowland plains, suggest vast amounts of water once flowed here. The Mars Express High Resolution Stereo Camera snapped cliffs, impact craters, basins weathered hills..
03 August 2015, 04:24 PM ET
The Perseid's peak On Aug.13th, and the lack of moonlight creates the possibility of seeing up to 100 meteors per hour. All eight planets are visible and with a telescope, former planet Pluto, Ceres, Vesta, Juno and Pallas can be spotted.
03 August 2015, 02:48 PM ET
The MAPHEUS-5 sounding rocket was launched from the Esrange Space Center in Northern Sweden on June 30th, 2015, reaching a height of 161 miles (259 kilometers). It carried 5 experiment modules that were successfully recovered after touchdown.
03 August 2015, 10:23 AM ET
Cosmonaut Gennady Padalka captured imagery of the second full moon of the month, aka Blue Moon, on July 31st, 2015. It is seen setting behind Earth.
31 July 2015, 03:25 PM ET
Asteroid 1999 JD6's nearest approach to Earth was ~4.5 millions miles away but it was close enough for radar images to be captured. The object is a "contact binary consisting of two lobes," according to NASA's Jet Propulsion Laboratory.
31 July 2015, 09:34 AM ET
Planet HD 219134b was detected using NASA's Spitzer Space Telescope. It resides 21 light-years away in the Cassiopeia constellation and its star is visible from Earth. The planet orbits too close to its star to support life.
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, 03:35 PM ET
Despite its tranquil-sounding name, new imagery from the Hubble Space Telescope reveals a dusty nebula shaped by "intense winds from hot stars, churning funnels of gas, and energetic star formation.” It is located in the Sagittarius constellation.
30 July 2015, 02:00 PM ET
ESA’s Rosetta probe, orbiting 67P/Churyumov-Gerasimenko, deployed its Philae lander on Nov. 12th, 2014, but it bounced across the comet’s face.
30 July 2015, 09:01 AM ET
When a heated asteroid surface rotates into darkness, thermal radiation can act as a "sort of mini-thruster," changing the space rock’s trajectory. This phenomena is called the Yarkovsky effect is nicely explained here.
29 July 2015, 04:17 PM ET
As a small galaxy crosses paths with a gigantic galaxy, its "fluffy outer parts" are stripped according to the the simulation creators M. Sandoval and A. Romanowsky. The dense core is what remains.
29 July 2015, 09:42 AM ET
Astronauts aboard the International Space Station had a little bit of fun with a Red Camera, antacid tablet and a water bubble
28 July 2015, 05:14 PM ET
The New Technology Telescope at ESO’s La Silla Observatory imaged Nova Centauri 2013 (V1369 Centauri) in July 2015, discovering the unexpected presence of the element lithium.
28 July 2015, 02:30 PM ET
The founder of Virgin Group gives a statement in regards to the report. The NTSB found that the co-pilot triggered the failure.
28 July 2015, 01:18 PM ET
The NTSB has released video showing several angles of the doomed SpaceShipTwo flight, from initial separation from the White Knight carrier aircraft to the moment when the ‘feather’ was manually unlocked, too early in the flight, causing the accident
28 July 2015, 12:35 PM ET
NASA’s Dawn probe compiled topographic data from images taken at different times and Sun-angles. Colors represent elevations - starting 3.7 miles (6 kilometers) below the average surface (purple) to 3.7 miles (6 kilometers) above (brown).
28 July 2015, 10:15 AM ET
Traveling at a breakneck speed of about 3700 mph (1652 m/s) in orbit around the moon, NASA LRO ‘drivers’ plan, program, upload, monitor and tweak - over and over again every day.
27 July 2015, 04:01 PM ET
The definition of "Blue Moon" has evolved slowly to the modern "2nd full moon in a month" formulation. But what sky-watchers usually see is the same old grayish-white – unless a volcanic eruption filters the Sun’s reflected light. Science@NASA explai
27 July 2015, 12:02 PM ET
The Perseid meteor shower will peak on Aug. 12th and 13th with raining debris from Comet Swift-Tuttle. Venus and Mars make an appearance in the morning sky, and Saturn is an evening planet. Also, Cygnus (the Swan) and Lyra (the small harp)...
27 July 2015, 09:47 AM ET
On the Hubble Servicing Mission 4, astronaut Mike Massimino encountered a screw that refused to budge. The now infamous screw, which was attached to a handle of the space telescope that needed to be removed, caused some anxiety in 2009.
27 July 2015, 08:52 AM ET
Atmospheric pressure at the surface of the icy dwarf is surprisingly low. Previous Earth-based estimates were more than double New Horizons’ reading.
24 July 2015, 03:58 PM ET
NASA New Horizons' deputy project scientist Cathy Olkin and co-investigator William McKinnon reveal Pluto composition data at a press conference on July 24th, 2015.
24 July 2015, 02:34 PM ET
The northwestern Sputnik Planum and Hillary Montes is highlighted in this simulated fly-by. Created from images obtained from NASA's New Horizons probe's close fly-by.