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Dark skies disappearing

Earth's night skies are lighter, thanks to towns, cities and industrial complexes. How that affects astronomy ... as well as birds, insects and people.

EarthSky Voices

December 28, 2015

Magnetic fields dragged and twisted by young star’s dusty disk

These disks contain the raw materials for planet formation. The magnetic fields can either help or hinder their growth. So this new research helps show how solar systems are born.

Deborah Byrd

December 27, 2015

Sneaking a peek inside a black hole’s disk

Amazing new image - obtained via an orbiting X-ray observatory - shows the disk of gas and dust surrounding a supermassive black hole to be clumpy, not smooth.

Deborah Byrd

December 24, 2015

How big can black holes grow?

Black holes could grow as large as 50 billion suns, before the 'food' that makes them grow crumbles into stars, says new research.

Deborah Byrd

December 24, 2015

Latest images of Christmas Eve asteroid

Near-Earth asteroid 2003 SD220 will pass safely, at more than 28 times the moon's distance, on Christmas Eve. Will it cause earthquakes? Of course not.

Eddie Irizarry

December 24, 2015

NASA suspends 2016 launch of InSight Mars mission

NASA has called off the planned March 2016 launch of the InSight mission to Mars, following failure to repair a leaky instrument in the science payload.

Eleanor Imster

December 24, 2015

Science fireplace

Warm up your holidays with this crackling science fireplace. It takes about an hour for the whole log to burn.

Eleanor Imster

December 23, 2015

Climate change rapidly warming world’s lakes

Lakes around the world are warming rapidly, threatening ecosystems and water supplies, says a new study that looked at more than half of Earth's freshwater supply.

Eleanor Imster

December 23, 2015