How does the sea 'disappear' when a hurricane passes by?

You may have seen the media images of bays and coastlines along Hurricane Irma's track, in which the ocean has eerily "disappeared", leaving locals amazed and wildlife stranded. What exactly was happening?

NASA studies tethered CubeSat mission to study lunar swirls

A novel mission concept involving two CubeSats connected by a thin, miles-long tether could help scientists understand how the moon got its mysterious "tattoos"—swirling patterns of light and dark found at more than 100 ...

Sounding rocket launches to study auroras

A NASA Black Brant IX sounding rocket soars skyward into an aurora over Alaska following a 5:13 a.m. EST, Feb. 22, 2017 launch from the Poker Flat Research Range in Alaska. The rocket carried an Ionospheric Structuring: In ...

NASA's Sun-observing IRIS mission

While it seems static from our vantage point on Earth 93 million miles away, the sun is constantly changing. Under the influence of complex magnetic forces, material moves throughout the solar atmosphere and can burst forth ...

MAVEN spacecraft gears up to observe global dust storm on Mars

NASA's Mars Atmosphere and Volatile EvolutioN Mission (MAVEN) orbiter will have a front-row seat to watch a marvelous dusty spectacle in late 2016. The spacecraft, nearing its second anniversary in Martian orbit, has already ...

Unexpected activity on the moon

The lunar space environment is much more active than previously assumed. The solar wind is reflected from the surface and crustal magnetic fields of the moon which has effects on for instance lunar water levels. This according ...

What's it like to see auroras on other planets?

Witnessing an aurora first-hand is a truly awe-inspiring experience. The natural beauty of the northern or southern lights captures the public imagination unlike any other aspect of space weather. But auroras aren't unique ...

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