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Editors of EarthSky

White roof cooled New York building by 42 F

On the hottest day of the 2011 summer in New York City, a white roof covering was 42 degrees cooler than a traditional black roof.

Did dinosaur feathers attract mates?

Dinosaur feathers may have attracted mates, possibly in the 120 million year old four-winged dinosaur called a Microraptor.

Monkeys in captivity get attention from researchers

Researchers in the UK aim to promote the welfare of common marmoset monkeys in captivity through the launch of a new website, www.marmosetcare.com.

Dolphins say hello with signature tunes

Wild dolphins use specific melodies to introduce themselves when they come across new groups of dolphins, say researchers.

Sunken ironclad sailors may be identified

Two sailors' remains were recovered from the USS Monitor ironclad may be a step closer to being identified thanks to a Texas A&M researcher.

Distant galaxy cluster may shed light on early universe

Study of a distant galaxy cluster may shed light on the nature of the early universe, a group of scientists meeting at Texas A&M say.

2012 annular eclipse of the sun – China to Texas – in May

Everything you need to know - whether you're in Earth's eastern or western hemisphere - about the 2012 annular eclipse of the sun.

Wine ratings by experts may not be relevant

If an expert's ability to taste wine is different from yours, should you listen to their recommendations? Wine ratings seem to different among experts.

Blue whales react to human noises

Blue whales are less likely to emit calls when sonar sounds at certain frequencies are present, but more likely to emit calls when ships are nearby.

Oceans acidifying faster today than in past 300 million years

Oceans acidifying because of too much carbon dioxide in the atmosphere is imperiling key parts of the marine food chain, say scientists.