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Editors of EarthSky

Two record-breaking black holes found nearby

Astronomers say in a crucial discovery they've found the largest black holes ever measured in our nearby cosmological neighborhood.

Fastest spinning star ever discovered rotates 100 times faster than sun

Astronomers have found the fastest spinning star ever discovered. The hot blue giant rotates at one million miles per hour, or 100 times faster than our sun.

Astronomers find strange new species of red galaxies

The four very red galaxies seen by NASA's Spitzer Space Telescope might be a 'missing link' in galaxy evolution, CfA astronomers say.

Science news quicks – December 3, 2011

Quick recaps of some of this week's science news from EarthSky. Read about synesthesia, dreaming, a famous violin, and the fate of a solar sail experiment.

How ‘skin bones’ helped large dinosaurs survive

Bones contained entirely within the skin of some of the largest dinosaurs on Earth might have stored vital minerals to help them survive tough times.

Video: Glide over Asteroid Vesta in 3D

Get out your 3D glasses and glide over the giant asteroid Vesta with NASA's Dawn spacecraft. See the surface as if you were there!

Paper wasps recognize other wasps’ faces

Scientists said it's "surprising and sort of bizarre" that wasps can recognize faces much as humans do, even though our brains are structured so differently.

Earth’s early atmosphere beliefs being challenged

New findings about Earth's early atmosphere directly challenge decades-held belief about the type of atmosphere out of which life on our planet arose.

Older runners can keep up the pace, says study

Older runners - above 60 - are the fastest-growing group in the sport and their running can remain fast as they age, too, according to a new study

If Alzheimer’s scares you, eat fish weekly

Here's the 1st study to establish a direct relationship between fish consumption, brain structure and the risk of getting Alzheimer's disease.