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Editors of EarthSky

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.

White spruce in Alaska grows fast in hotter climate

Satellite images show dying vegetation and wildfires across Alaska, Canada and Russia. So scientists were surprised to find fast-growing white spruce.

Researchers link warming ocean to Amazon fires

Expect more fires in the Amazon and throughout South America due to Earth's warming ocean. And find a good video in this post.

Killer solar flares a physical impossibility in 2012

The sun is now rising to the peak of its 11-year cycle of activity. But it's not possible for killer solar flares to end humanity or destroy Earth.

Shark attack preserved in fossil whale bone

Paleontologists study teeth marks in a fossil whale rib - likely from a shark attack - and see evidence of the whale's healing and death a few weeks later.

Cosmic rock found in farmer’s field

The cosmic rock known as the Conception Junction meteorite was probably once part of the asteroid belt. It is a rare and very beautiful meteorite.

Pristine gas from the Big Bang detected

Astronomers use the light from a quasar to study pristine gas, as it existed in the early universe, just moments after the Big Bang.