05 January 2015, 06:43 PM ET
In the largest image taken of the galaxy by the space telescope, stars and thousands of star clusters can be seen "embedded in a section of the galaxy’s pancake-shaped disc." The image encompasses over 40,000 light years.
05 January 2015, 06:03 PM ET
The famous feature of the Eagle Nebula has been revisited by the space telescope. It has delivered an incredible infrared light image to go along with new visible light imagery.
05 January 2015, 05:48 PM ET
Researchers from the Harvard-Smithsonian Center for Astrophysics (CfA) are developing a 'clock' to decipher stellar age from their spin.
05 January 2015, 01:42 PM ET
Skywatchers will be treated to a fascinating ballet of the so-called Galilean moons throughout the month, as the satellites pass one another, sometimes blocking (occulting) or casting shadows (eclipsing) and casting shadow onto Jupiter’s cloud tops.
05 January 2015, 11:48 AM ET
An highly active sun encouraged photographer Chad Blakley (lightsoverlapland.com) to capture the Northern Lights from two different vantage points in Abisko National Park on Dec. 28th, 2014.
05 January 2015, 11:00 AM ET
Scientists have cooked up a stunning new simulation of the universe that captures the wide variety of galaxies we see in the universe.
05 January 2015, 09:49 AM ET
Becquerel crater, in the Red Planet's Arabia Terra region harbors sulphate-bearing deposits, likely left behind by flowing water. Darker areas are dust that blew in from the north. ESA’s Mars Express HRSC took the images used to make this animation.
30 December 2014, 08:03 PM ET
NASA's Barry Wilmore and Terry Virts send their well wishes from the International Space Station.
30 December 2014, 07:34 PM ET
The latest episode of the Space Telescope Science Institute's "Tonight's Sky", learn where to find Venus, Mercury, Jupiter and Saturn. Constellation of Auriga, bright star Capella and the Pleides star cluster highlight the month.
30 December 2014, 03:59 PM ET
The voice of the late astronomer Carl Sagan plays over footage of the recent test flight of the Orion spaceship, in a new video by Space City Films.
30 December 2014, 02:48 PM ET
NASA's flight control team in Houston wished International Space Station commander Barry "Butch" Wilmore a happy 52nd birthday on Dec. 29th, 2014.
30 December 2014, 09:34 AM ET
The Dawn mission will arrive at the dwarf planet in March 2015. The probe uses an ion engine to propel it throughout the solar system. Find out how they work.
29 December 2014, 06:46 PM ET
The 'Interstellar' actress talks about the early stages of the space agency's exploration agenda.
29 December 2014, 04:22 PM ET
Unlike previous visualizations, the Evolution and Assembly of GaLaxies and their Environments (EAGLE) simulation incorporates galactic winds into the equation mold the Universe. A team of astronomers from the Universities of Leiden in the Netherland
29 December 2014, 10:01 AM ET
The space agency continued their exploration mission with many scientific discoveries on Earth and beyond in 2014. They also announced plans and conducted tests for future missions.
23 December 2014, 04:00 PM ET
Astronomers have spotted a new object emerging from the ashes of a recently deceased star. The stellar post-mortem may also solve a mystery surrounding the unexpected shape of the star's explosive remains, scientists say.
22 December 2014, 04:14 PM ET
NASA astronauts Frank Borman, Jim Lovell and William Anders take turns reading from the Bible's book of Genesis during the first manned mission to the moon. The entered lunar orbit on Dec. 24th, 1968.
22 December 2014, 03:20 PM ET
NASA astronauts Barry "Butch" Wilmore and Terry Virts of the International Space Station’s Expedition 42 crew send Christmas and holiday wishes to the people of Earth in this video message.
22 December 2014, 09:50 AM ET
European Space Agency astronaut Alexander Gerst snapped some incredible imagery of the Earth during his tour aboard the ISS. 12,5000 images of auroras, lightning, landscapes and nightscapes were compiled to create this tour of Earth.
19 December 2014, 06:24 PM ET
18 December 2014, 07:14 PM ET
A recent payload flight by commercial balloon spaceflight company World View Enterprises captured the amazing imagery. The company will be selling "first-class" capsule seats to fly at an altitude of 100,000 feet for an hour or two.
18 December 2014, 11:34 AM ET
The Indian Space Research Organisation (ISRO) launched its new Geostationary Satellite Launch Vehicle Mark III (GSLV Mk-III) carrying the Crew Module Atmospheric Re-entry Experiment (CARE) on Dec. 18, 2014 local time from Satish Dhawan Space Center.
18 December 2014, 09:30 AM ET
On Dec. 15th, 2014, the northern lights were "massive " and "fast-moving" according to photographer Chad Blakley (lightsoverlapland.com). He captured imagery from 3 different locations in Abisko National Park.
17 December 2014, 03:09 PM ET
Adam Steltzner and the rest of the Mars Science Laboratory team eagerly anticipate the rover's landing on Mars in this exclusive clip from "Red Planet Rover". The show premieres on the Discovery Channel on Dec. 18th, 2014 at 10pm EST/PST.
17 December 2014, 10:37 AM ET
Imagery from the NASA/NOAA Suomi NPP satellite show lighting patterns change on holidays around the world. Energy usage varies across across different cultural and socioeconomic areas.
17 December 2014, 06:00 AM ET
New imagery captured by the La Silla Observatory MPG/ESO 2.2-metre telescope of of star cluster Messier 47, shows a star cluster where only ~50 stars can be seen in an area 12 light-year across area.
16 December 2014, 07:09 PM ET
COSMOS - A Spacetime Odyssey's presenter/co-writer talks about Stephen Hawking's black hole theory, known as "Hawking Radiation".
16 December 2014, 04:21 PM ET
Maxim Senin compiled over 15,000 photos taken on the evening of Dec. 12th into the early morning hours of Dec. 13th. Up to 5 meteor per minute could be seen even through the light pollution of the major U.S. city.
16 December 2014, 02:56 PM ET
16 December 2014, 02:11 PM ET
These finding "strongly suggests that Mars is active" according to atmospheric scientist Sushil K. Atreya of the Mars Science Laboratory mission team as he breaks down possible sources of the methane on Mars.
16 December 2014, 02:08 PM ET
The Mars Science Laboratory's Tunable Laser Spectrometer (TLS) instrument was used to confirm the presence of methane on several occasions during the rovers' study of the Red Planet.
16 December 2014, 10:09 AM ET
NASA’s Voyager 1recorded three 'waves' of plasma set in motion by coronal mass ejections from our Sun. Plasma interacting with ionized matter creates energy fluctuations which have been converted to sound by researchers.