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Astrophysics picture of the day for July 17, 2019 That's no sunspot. It's the International Space Station (ISS) caught passing in front of the Sun. Sunspots, individually, have a dark central... See more
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Earth's Shining Upper Atmosphere — From the Apollo Era to the Present
In 1972, Apollo 16 astronauts stood on the Moon and took a picture of Earth like none before: the first view of our planet in far ultraviolet light. Nearly 50 years later, compare views of Earth’s...
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Science By The Numbers

Technology Innovation
$400M
Invested Annually
Balloons
13
Science Payloads
12
Student Experiments
Research
10,000
U.S. Scientists Funded
$600M
Awarded Annually
Earth-Based Investigations
25
Major Airborne Missions
8
Global Networks
Sounding Rockets
16
Science Missions
3
Tech/Student Missions
SMALLSATS/CUBESATS
31
Science Missions
24
Technology Demos
Spacecraft
105
Missions
85
Spacecraft

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