"Time and space are modes in which we think and not conditions in which we live."

— Albert Einstein

NASA Image of the Day

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The latest NASA "Image of the Day" image.
Updated: 3 hours 31 min ago

Orion Parachutes Chalk Up Another Test Success in Arizona

Wed, 07/18/2018 - 10:22am
The parachute system for Orion, America’s spacecraft that will carry humans to deep space, deployed as planned after being dropped from an altitude of 6.6 miles on July 12, at the U.S. Army Proving Ground in Yuma, Arizona.
Categories: Astronomy, NASA

Churning in the Chukchi Sea

Tue, 07/17/2018 - 10:57am
Regardless of the amount of winter ice cover, the waters off of the Alaskan coast usually come alive each spring with blooms of phytoplankton.
Categories: Astronomy, NASA

A Merger of Stars

Mon, 07/16/2018 - 10:57am
Launched 15 years ago, the Spitzer Space Telescope has made many discoveries, including this detection of the merger of two neutron stars.
Categories: Astronomy, NASA

Jamming with the 'Spiders' from Mars

Thu, 07/12/2018 - 5:51pm
This image from NASA's Mars Reconnaissance Orbiter, acquired May 13, 2018 during winter at the South Pole of Mars, shows a carbon dioxide ice cap covering the region and as the sun returns in the spring, "spiders" begin to emerge from the landscape.
Categories: Astronomy, NASA

'X'-ploring the Eagle Nebula and 'Pillars of Creation'

Thu, 07/12/2018 - 12:28pm
The Eagle Nebula, also known as Messier 16, contains the young star cluster NGC 6611. It also the site of the spectacular star-forming region known as the Pillars of Creation, which is located in the southern portion of the Eagle Nebula.
Categories: Astronomy, NASA

The Heart of Madagascar

Wed, 07/11/2018 - 4:24pm
As the International Space Station flew overhead, NASA astronaut Ricky Arnold captured this photograph of a changing landscape in the heart of Madagascar, observing drainage into the sea in the Betsiboka Estuary due to decimation of rainforests and coastal mangroves.
Categories: Astronomy, NASA

2018 Class of NASA Flight Directors for the Mission Control Center

Tue, 07/10/2018 - 5:02pm
NASA has selected six women and men to join the elite corps of flight directors who will lead mission control for a variety of new operations at the agency’s Johnson Space Center in Houston.
Categories: Astronomy, NASA

A Closer View of the Moon

Mon, 07/09/2018 - 10:39am
Posted to Twitter by @Astro_Alex, European Space Agency astronaut Alexander Gerst, this image shows our planet's Moon as seen from the International Space Station.
Categories: Astronomy, NASA

Ice Block Avalanche

Thu, 07/05/2018 - 7:26pm
One of the most actively changing areas on Mars are the steep edges of the North Polar layered deposits.
Categories: Astronomy, NASA

County Fire Lights Up the Night

Thu, 07/05/2018 - 11:27am
Light from the County Fire illuminated the night skies of Northern California when the Suomi NPP satellite acquired this image overnight on July 1, 2018.
Categories: Astronomy, NASA

Burst of Celestial Fireworks

Tue, 07/03/2018 - 10:51am
Like a July 4 fireworks display, a young, glittering collection of stars resembles an aerial burst. The cluster is surrounded by clouds of interstellar gas and dust - the raw material for new star formation.
Categories: Astronomy, NASA

Seeing Jupiter

Mon, 07/02/2018 - 10:41am
Citizen scientist Kevin M. Gill created this image of Jupiter using data from the Juno spacecraft's JunoCam imager.
Categories: Astronomy, NASA

SpaceX's Falcon 9 Rocket Launches Dragon to the International Space Station

Fri, 06/29/2018 - 4:30pm
At 5:42 a.m. EDT Friday, June 29, 2018, SpaceX's Dragon spacecraft lifts off on a Falcon 9 rocket from Space Launch Complex 40 at Cape Canaveral Air Force Station in Florida. Dragon is carrying more than 5,900 pounds of research, equipment, cargo and supplies that will support dozens of investigations aboard the International Space Station.
Categories: Astronomy, NASA

NASA's Unmanned Ikhana Flies in National Airspace Without Chase Plane

Thu, 06/28/2018 - 1:37pm
NASA’s Ikhana aircraft, based at the agency’s Armstrong Flight Research Center in Edwards, California, takes off on June 12, 2018, for the agency’s first large-scale, remotely-piloted aircraft flight in the national airspace without a safety chase aircraft.
Categories: Astronomy, NASA

Earth's Limb, Pacific Ocean and the Space Station's Kibo Laboratory

Wed, 06/27/2018 - 3:11pm
The Earth's limb and the Pacific Ocean contrast segments of the International Space Station's Kibo laboratory module built by the Japan Aerospace Exploration Agency in this June 23, 2018 image. At right is a portion of the Experiment Logistics Module, Pressurized Section (ELM-PS) which is the Kibo lab's storage facility.
Categories: Astronomy, NASA

A Slice of Glory

Tue, 06/26/2018 - 2:08pm
If you have ever seen a series of concentric rings of color near a mist or fog, you have likely seen a glory. This colorful optical phenomenon, bright red on the outside and blue toward the center, forms when water droplets scatter sunlight back toward a source of light.
Categories: Astronomy, NASA

Crew Dragon Hardware Put to the Test

Mon, 06/25/2018 - 3:58pm
SpaceX’s Crew Dragon is at NASA’s Plum Brook Station in Ohio, to undergo testing in the In-Space Propulsion Facility. The chamber will allow SpaceX and NASA to verify Crew Dragon’s ability to withstand the extreme temperatures and vacuum of space.
Categories: Astronomy, NASA

Chaotic Clouds of Jupiter

Thu, 06/21/2018 - 5:49pm
This image captures swirling cloud belts and tumultuous vortices within Jupiter’s northern hemisphere.
Categories: Astronomy, NASA

Launching to Observe Our Sun

Thu, 06/21/2018 - 9:45am
On June 21, 1975, NASA successfully launched the eighth Orbiting Solar Observatory aboard a Delta rocket from Cape Canaveral, Florida. This satellite was the final in a series of spacecraft specifically designed to look at the Sun in high-energy wavelength bands.
Categories: Astronomy, NASA