A sea of dark dunes, sculpted by the wind into long lines, surrounds the northern polar cap covering an area as big as Texas. Credit:…
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U Mon’s primary star, an elderly yellow supergiant, has around twice the Sun’s mass but has billowed to 100 times the Sun’s size. Scientists know…
Hubble Space Telescope image of the galaxy cluster Abell 2813 (also known as ACO 2813). Credit: ESA/Hubble & NASA, D. Coe This extraordinary image from…
New battery designs that are safer than today’s models will be required to power tomorrow’s electric-propelled aircraft like the one shown in this illustration. A…
NASA’s Mars Odyssey spacecraft passes above Mars’ south pole in this artist’s concept illustration. The spacecraft has been orbiting Mars since October 24, 2001. Credit:…
February 19, 2020. (Click image for wide, high-resolution view.) A new artificial island near Malé could be a destination for people trying to escape rising…
In this illustration, NASA’s Ingenuity Mars Helicopter stands on the Red Planet’s surface as NASA’s Perseverance rover (partially visible on the left) rolls away. Credit:…
At 24 feet (7.3 meters) across each, Lucy’s two solar panels underwent initial deployment tests in January 2021. In this photo, a technician at Lockheed…
Illustration of a conceptual radio telescope within a crater on the Moon. The early-stage concept is being studied under grant funding from the NASA Innovative…
Animation illustrating NASA’s Ingenuity helicopter flying on Mars. Credit: NASA The small rotorcraft’s “Wright brothers moment” is one Mars day away. NASA’s Ingenuity Mars Helicopter…
The Crab Nebula, the six-light-year-wide expanding cloud of debris from a supernova explosion, hosts a neutron star spinning 30 times a second that is among…
The newly-expanded 10-member station crew gathers in the Zvezda service module for a welcoming ceremony with family members and mission officials on Earth. Credit: NASA…
The Soyuz MS-18 rocket is launched with Expedition 65 NASA astronaut Mark Vande Hei, Roscosmos cosmonauts Pyotr Dubrov and Oleg Novitskiy, Friday, April 9, 2021,…
During Artemis I, Orion will venture thousands of miles beyond the moon during an approximately three-week mission. Credit: NASA Artemis 1 will be the first…
Both sides of the James Webb Space Telescope’s sunshield were lifted vertically in preparation for the folding of the sunshield layers. Credit: NASA/Chris Gunn Engineers…
The Soyuz MS-18 rocket blasts off from the Baikonur Cosmodrome in Kazakhstan carrying three Expedition 65 crew members to the space station. Credit: NASA Nearly…
Illustration of Orion spacecraft performing a trans-lunar injection burn. Credit: NASA When NASA’s Space Launch System (SLS) rocket and Orion spacecraft lift off from the…
NASA’s Perseverance Mars rover took a selfie with the Ingenuity helicopter, seen here about 13 feet (3.9 meters) from the rover. This image was taken…
One of the wind sensors aboard NASA’s Perseverance Mars rover can be seen deploying from the mast in this image taken on Mar. 1, 2021,…
April Highlights Morning planets, a sunset arch, and finding Leo the lion… April 7: Jupiter, Saturn, and the Moon form a lovely trio in the…