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Editors of EarthSky

Why is there a calm before a storm?

There's not always a calm before a storm. But, sometimes, pressure and wind combine to create a brief stillness before a storm breaks.

Mapping glaciers at Mogens Fjord and Fridtjof Glacier

The Greenland ice sheet is vast, but we are mapping glaciers, filling in another piece in the grid of understanding this remote area of the Earth.

IceBridge Mission: new aircraft and locations

To add an element of challenge to this IceBridge Mission, we must navigate around the volcanic ash from Iceland’s Eyjafjallajokull volcano as we fly.

Bone loss therapy for cancer patients, astronauts

Astronauts in space can lose about as much bone in a month as a senior citizen loses in a year on Earth, said Bateman. Read more on bone loss therapy.

CryoSat-2 satellite to examine Arctic Sea ice

ESA’s CryoSat-2 is designed to collect new insights into the role of ice. Our April 20th mission plan was to underfly the satellite over the Arctic Sea Ice.

ICESat team flies over thinning Arctic sea ice

A break in the weather, and we are back in the air monitoring sea ice. The ice cap is starting to thin. Read more about the ICESat mission here.

Underwater robots, meaning of whale songs, in new EarthSky videos

Scientists on the cutting edge of ocean research told EarthSky their stories. Read more about underwater robots and more here.

Citizen scientists monitor the sea

How can you monitor something as vast as the ocean?
Enlist citizen scientists!

Polar change in Arctic measured by ICE Bridge

The NASA ICE Bridge mission shifts north, from Antarctica to the Arctic. Read more about measuring polar change with satellites here.

How do ants walk upside down?

How do ants walk upside down? They stroll across the underside of branches and roam over ceilings. Their secret is in their feet. Read more here.