Image: Juno captures Jupiter 'pearl'

This image, taken by the JunoCam imager on NASA's Juno spacecraft, highlights the seventh of eight features forming a 'string of pearls on Jupiter—massive counterclockwise rotating storms that appear as white ovals in the ...

How strong is gravity on other planets?

Gravity is a fundamental force of physics, one which we Earthlings tend to take for granted. You can't really blame us. Having evolved over the course of billions of years in Earth's environment, we are used to living with ...

NASA sees diminutive Hurricane Danny from space

Astronauts aboard the International Space Station captured an image of Hurricane Danny moving through the Central Atlantic Ocean. Satellite data indicates that Danny is a small Category 2 hurricane, in which hurricane-force ...

A lesson in infrared light - looking at three tropical cyclones

The Atmospheric Infrared Sounder (AIRS) is one of several instruments aboard NASA's Aqua satellite. AIRS observes the Earth in infrared light, allowing scientists to determine the temperature structure of the atmosphere, ...

Predicting which African storms will intensify into hurricanes

Hurricanes require moisture, the rotation of the earth, and warm ocean temperatures to grow from a mere atmospheric disturbance into a tropical storm. But where do these storm cells originate, and exactly what makes an atmospheric ...

NASA measures frigid cloud top temps of the Arctic air outbreak

Some of the coldest air of the 2014-2015 winter season was settling over the eastern two-thirds of the U.S. on February 13, 2015. That Arctic air mass brought wind chills from below zero to the single numbers from the Midwest ...

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