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X-flare from active region 1515 on sun

After releasing a barrage of M-class flares over the past few days, sunspot 1515 released an X-flare on July 6. Its effects might deliver a glancing blow to Earth on July 8 or 9.

Deborah Byrd

July 7, 2012

Burn scar from fire in Colorado Springs

The fire is 90% contained, but 776 firefighters are still there, on patrol or waiting to be reassigned. The burn scar is visible from space.

Deborah Byrd

July 6, 2012

Scientists discover new trigger for immense North Atlantic plankton bloom

Scientists study the Atlantic Ocean's spring and summer ritual unfolding: with the blooming of countless microscopic plant plankton, or phytoplankton.

Editors of EarthSky

July 6, 2012

Middleweight black hole found

A middleweight black hole - with a mass perhaps 20,000 times that of our sun - has reveled itself to astronomers by as it feeds on a star that has come near it.

Deborah Byrd

July 6, 2012

Higgs: The decades-long search for it

It was a little over two years ago that the Large Hadron Collider kicked off its search for the Higgs boson. But the hunt for the Higgs really began decades ago.

Editors of EarthSky

July 5, 2012

VLBI reveals the universe in amazing detail

Very Long Baseline Interferometry, or VLBI, links together widely separated radio telescopes to allow astronomers to see the universe in more detail than ever.

Christopher Crockett

July 5, 2012

Asgar Ali: Edible coatings keep fruits and vegetables fresh

According to Asgar Ali. new transparent coatings for fruits and vegetables with no odor or taste. They're also eco-friendly, biodegradable, and nontoxic.

Editors of EarthSky

July 5, 2012