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Editors of EarthSky

Topographic map of the moon is highest resolution yet

The highest resolution topographic map of the moon yet! It shows the ups and downs of over 98.2% of the entire lunar surface.

Walking through doorways causes forgetting

Researchers suggest that walking through doorways causes forgetting. They call the doorway an 'event boundary' and say it causes memory lapses.

Climate skeptics heard most in UK or US

Climate skeptics are heard most in U.S. and U.K. media, often in opinion pages and editorials. Politicians are notable as skeptical voices.

Tom Neumann: Is East Antarctica warming or cooling?

East Antarctica is so cold and remote, it's difficult to measure temperatures there. As yet, there's no definitive answer on whether it's warming or cooling.

Scientists create world’s lightest material out of metal

Using hollow tubes with a wall thickness 1,000 times thinner than a human hair, researchers create the world's lightest material out of metal.

Caught on camera: Five rare cat species in Sumatra

Camera traps capture images of rare wild cat species in Sumatra, and the World Wildlife Fund calls for protection of a forest corridor near Bukit Tigapuluh.

Do supernovae jets solve this ancient star mystery?

Explosive supernovae jets might explain why some Milky Way stars are mysteriously rich in gold, platinum and uranium.

China air pollution from space

NASA satellite imagery shows China air pollution, a haze over eastern China, coinciding with reports of hazardous air pollution.

A fifth gas giant ejected from our solar system?

Earth might have been spared from a collision with Mars or Venus by the process in which a fifth gas giant world was ejected from our solar system.

Lutetia: Rare survivor from birth of Earth

Asteroid Lutetia appears to have formed from the same material as Earth, Venus and Mercury, 4-and-a-half billion years ago.