The Medusa merger, was not always one entity, but two. An early galaxy consumed a smaller gas-rich system, throwing out streams of stars and dust into space. These streams resemble the writhing snakes that Medusa, a monster in ancient Greek mythology, famously had on her head in place of hair, lending the object its intriguing name. (More at NASA Picture of The Day)
Astronomers using data from NASA’s Chandra X-ray Observatory and other telescopes have put together a detailed map of a rare collision between four galaxy clusters. (More at NASA Picture of The Day)
A Trail of Night Lights from the International Space Station
This image of star trails was compiled from time-lapse photography taken by NASA astronaut Christina Koch while onboard the International Space Station. (More at NASA Picture of The Day)
This view from NASA's Juno spacecraft captures colorful, intricate patterns in a jet stream region of Jupiter's northern hemisphere known as "Jet N3." (More at NASA Picture of The Day)
A Northrop Grumman Antares rocket is seen as it rolls out to Pad-0A, Tuesday, Oct. 29, 2019, at NASA's Wallops Flight Facility in Virginia. (More at NASA Picture of The Day)
Observing California's Wildfires from the Space Station
From the vantage point of space aboard the International Space Station, NASA astronaut Andrew Morgan captured this image of a California wildfire. (More at NASA Picture of The Day)
Astronaut John Herrington Carried A Piece of Native American History to Space
When astronaut John Herrington made his voyage to space aboard Space Shuttle Endeavour's STS-113 mission, he became the first Native American in space. (More at NASA Picture of The Day)
Northrop Grumman Resupply Mission Bringing Science, Cargo to Station
The Northrop Grumman Antares rocket, with Cygnus resupply spacecraft onboard, launches from Pad-0A of NASA's Wallops Flight Facility, Saturday, November 2, 2019. (More at NASA Picture of The Day)
Orson John: A NASA Pathways Student Becomes a Reliability Engineer
Orson John helps prepare Ice, Cloud and land Elevation Satellite-2 (ICESat-2) for encapsulation in the United Launch Alliance Delta II payload fairing on Sept. 4, 2018, at Space Launch Complex 2 at Vandenberg Air Force Base in California. (More at NASA Picture of The Day)
The U.S. Cygnus space freighter from Northrop Grumman is pictured in the grips of the Canadarm2 robotic arm as it was installed to the Unity module for 70 days of cargo transfers. (More at NASA Picture of The Day)
The planet Mercury is seen in silhouette, low center, as it transits across the face of the Sun, Monday, Nov. 11, 2019. (More at NASA Picture of The Day)
Powtawche Valerino: Supporting NASA’s Space Launch System Program
Powtawche Valerino is a guidance engineer who works for Aerodyne Industries at the NASA's Marshall Space Flight Center, supporting the agency’s Space Launch System program. (More at NASA Picture of The Day)
Fifty years ago, on Nov. 14, 1969, Apollo 12 launched at 11:22 a.m. EST from Launch Complex 39A at the Kennedy Space Center in Florida. (More at NASA Picture of The Day)
Many galaxies we see through telescopes such as the NASA/ESA Hubble Space Telescope, the source of this beautiful image, look relatively similar: spiraling arms, a glowing center, and a mixture of bright specks of star formation and dark ripples of cosmic dust weaving throughout. This galaxy, a spiral galaxy named NGC 772, is no exception. (More at NASA Picture of The Day)
Astronauts Complete First Excursion to Repair Cosmic Particle Detector
Station Commander Luca Parmitano of the European Space Agency conducts repairs, while attached to the Canadarm during the first spacewalk to repair the Alpha Magnetic Spectrometer. (More at NASA Picture of The Day)
Born and raised in Albuquerque, New Mexico, George Gorospe was taught by his parents to take pride in his Native American heritage. (More at NASA Picture of The Day)
Stars Are Being Born in the Depths of a Black Hole
In the Phoenix Constellation, astronomers have confirmed the first example of a galaxy cluster where large numbers of stars are being born at its core. (More at NASA Picture of The Day)