"The large-scale homogeneity of the universe makes it very difficult to believe that the structure of the universe is determined by anything so peripheral as some complicated molecular structure on a minor planet orbiting a very average star in the outer suburbs of a fairly typical galaxy."

— Steven Hawking

NASA Image of the Day

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The latest NASA "Image of the Day" image.
Updated: 10 hours 47 min ago

Apollo 10 Launches Into History on May 18, 1969

Fri, 05/17/2019 - 10:22am
When Apollo 10 launched on May 18, 1969, it was the fifth launch of the Saturn V.
Categories: Astronomy, NASA

Galaxy Blazes With New Stars Born From Close Encounter

Thu, 05/16/2019 - 10:00am
The irregular galaxy NGC 4485 shows all the signs of having been involved in a hit-and-run accident with a bypassing galaxy. Rather than destroying the galaxy, the chance encounter is spawning a new generation of stars, and presumably planets.
Categories: Astronomy, NASA

Jonny Kim: NASA's 2017 Astronaut Class

Wed, 05/15/2019 - 11:08am
Jonny Kim was selected as a member of NASA's 2017 astronaut class, nicknamed "the Turtles."
Categories: Astronomy, NASA

Good Vibrations: Orion Crew Module Undergoes Testing

Tue, 05/14/2019 - 9:06am
On April 29 at NASA’s Kennedy Space Center in Florida, Orion’s service module moved to the lift station inside the assembly bay.
Categories: Astronomy, NASA

Waxing Crescent Moon Above Earth's Limb

Mon, 05/13/2019 - 9:50am
The waxing crescent moon is photographed just above Earth's limb.
Categories: Astronomy, NASA

Joe Acaba: Geologist and Teacher Turned Astronaut

Fri, 05/10/2019 - 8:58am
Joe Acaba was selected as an astronaut in 2004 and has logged a total of 306 days in space on three flights.
Categories: Astronomy, NASA

Ellison Onizuka: First Asian American in Space

Wed, 05/08/2019 - 4:12pm
Ellison Onizuka was the first Asian American to fly in space.
Categories: Astronomy, NASA

InSight Sees Drifting Clouds on Mars

Wed, 05/08/2019 - 9:47am
NASA's InSight Mars Lander used its Instrument Context Camera beneath the lander's deck to image these drifting clouds at sunset on the Red Planet.
Categories: Astronomy, NASA

Astronaut Ricky Arnold Talks STEM Education

Tue, 05/07/2019 - 9:01am
Today is National Teacher Day! NASA astronaut Ricky Arnold was a science teacher at John Hanson Middle School in Waldorf, Maryland.
Categories: Astronomy, NASA

Liftoff of SpaceX's CRS-17 Dragon Cargo Craft

Mon, 05/06/2019 - 11:18am
SpaceX's Dragon lifted off on a Falcon 9 rocket from Space Launch Complex 40 at Cape Canaveral Air Force Station in Florida, Saturday, May 4.
Categories: Astronomy, NASA

Hubble Spots Stunning Spiral Galaxy

Fri, 05/03/2019 - 7:35am
NGC 2903 is located about 30 million light-years away in the constellation of Leo (the Lion), and was studied as part of a Hubble survey of the central regions of roughly 145 nearby disk galaxies.
Categories: Astronomy, NASA

How Atmospheric Sounding Transformed Weather Prediction

Thu, 05/02/2019 - 10:31am
In the late 1950's, NASA scientist Lewis Kaplan developed a groundbreaking way to calculate temperature in the atmosphere for weather forecasting.
Categories: Astronomy, NASA

InSight Lander Captures a Sunset on Mars

Wed, 05/01/2019 - 3:24pm
NASA's InSight lander used the Instrument Deployment Camera (IDC) on the end of its robotic arm to image this sunset on Mars on April 25, 2019, the 145th Martian day, or sol, of the mission. This was taken around 6:30 p.m. Mars local time.
Categories: Astronomy, NASA

New Mission Ready to Extend NASA's Study of Carbon

Tue, 04/30/2019 - 11:23am
The Orbiting Carbon Observatory 3, or OCO-3, sits on the large vibration table (known as the "shaker") in the Environmental Test Lab at the Jet Propulsion Laboratory.
Categories: Astronomy, NASA

Opportunity's Final Traverse Map

Mon, 04/29/2019 - 11:21am
This final traverse map for NASA's Opportunity rover shows where the rover was located within Perseverance Valley on June 10, 2018, the last date it made contact with its engineering team.
Categories: Astronomy, NASA

Hubble Snaps a Crowded Cluster

Fri, 04/26/2019 - 7:42am
This sparkling burst of stars is Messier 75. It is a globular cluster: a spherical collection of stars bound together by gravity. Clusters like this orbit around galaxies and typically reside in their outer and less-crowded areas, gathering to form dense communities in the galactic suburbs.
Categories: Astronomy, NASA

Station Crew Views the Frozen Southern Tip of Hudson Bay

Thu, 04/25/2019 - 11:08am
The International Space Station crew snapped this image of the Hudson Bay's frozen southern tip.
Categories: Astronomy, NASA

Landslides in Mars' Cerberus Fossae

Wed, 04/24/2019 - 9:47am
Cerberus Fossae is a steep-sided set of troughs cutting volcanic plains to the east of Elysium Mons, Mars. This image was captured by the HiRISE camera on the Mars Reconnaissance Orbiter.
Categories: Astronomy, NASA

Formation of the Southern Crab Nebula

Tue, 04/23/2019 - 10:39am
In celebration of the 29th anniversary of the launch of NASA's Hubble Space Telescope on April 24, 1990, astronomers captured an image of the tentacled Southern Crab Nebula.
Categories: Astronomy, NASA