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Phytoplankton Bloom in the North Atlantic
Phytoplankton Bloom in the North Atlantic

On Sept. 23, 2015, the weather was adequate for the Visible Infrared Imaging Radiometer Suite (VIIRS) on the Suomi NPP…

Cool Star Marked by Long-Lived Storm
Cool Star Marked by Long-Lived Storm

This illustration shows a cool star, called W1906+40, marked by a raging storm near one of its poles.

Allison Low Speed Noise Fan with Swept / Leaned Stators in 9×15 foot Low Speed Wind Tunnel
Allison Low Speed Noise Fan with Swept / Leaned Stators in 9×15 foot Low Speed Wind Tunnel

Progress toward quieter aircraft: Allison Low Speed Noise Fan with swept/leaned stators mounted in the 9’x15′ Low Speed Wind Tunnel.

Alternative Low Noise Fan System in 9×15 Foot Wind Tunnel
Alternative Low Noise Fan System in 9×15 Foot Wind Tunnel

Progress toward quieter aircraft: Alternative Low Noise Fan System mounted in the 9’x15′ Low Speed Wind Tunnel.

Lockheed Short Take Off Vertical Landing STOVL Model in 9×15 Foot Wind Tunnel
Lockheed Short Take Off Vertical Landing STOVL Model in 9×15 Foot Wind Tunnel

Technician at work on the Lockheed Short Takeoff Vertical Landing (STOVL) model mounted in the 9×15 Low Speed Wind Tunnel.

Allison Low Speed Noise Fan with Swept / Leaned Stators in 9×15 Foot Low Speed Wind Tunnel
Allison Low Speed Noise Fan with Swept / Leaned Stators in 9×15 Foot Low Speed Wind Tunnel

Laser imaging of exhaust from the Supersonic Short Takeoff Vertical Landing (STOVL) hot gas ingestion model mounted in the 9’x15′…

Apollo 17, Final Lunar Landing Mission, Lands on the Moon — Dec. 11, 1972
Apollo 17, Final Lunar Landing Mission, Lands on the Moon — Dec. 11, 1972

This week in 1972, Apollo 17, the seventh and final lunar landing mission, landed in the Taurus-Littrow valley on the…

Dawn HAMO Image 73
Dawn HAMO Image 73

This view from NASA’s Dawn spacecraft features a crater named Oxo, which is about 6 miles (9 kilometers) in diameter.

Occator Crater in Perspective
Occator Crater in Perspective

An image of Occator Crater draped over a digital terrain model provides a 3-D-like perspective view of the impact structure.

Occator in False Color
Occator in False Color

This representation of Ceres’ Occator Crater in false colors shows differences in the surface composition.