100 billion planets, say astronomers

Planets planets everywhere, and 100 billion of them Earth-like? A team of astronomers in New Zealand says it has just the technique to detect them.

Making new discoveries by monitoring historical sites from orbit

Looking down from orbit is an attractive way of monitoring historical sites in remote or politically unstable regions – and can even help archaeologists to make new discoveries.

Video: Best images of Earth from orbit in 2012

Stunning video compilation including true color satellite images, data visualizations, time lapses from ISS, and more.

Benefits of weight loss surgery may be in the microbes

Changes in gut microbes may contribute to the dramatic weight loss seen in gastric bypass patients. Does the future hold a surgery-free bypass? Are we sure we want one?

Star trails over upper Yosemite Falls

Star trails over Yosemite Falls, the highest measured waterfall in North America.

About Earthsky

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RIP beloved gorilla Pattycake

Pattycake, the first gorilla born in New York City, died on Sunday, March 29,2013. She was 40 years old.

Video: Black hole eats a super-Jupiter

ES astronomers said on April 2 they seen telltale evidence of a black hole disrupting the outer atmosphere of a super-Jupiter.

Crucial step in human DNA replication observed using fluorescent tags

For the first time, an elusive step in the process of human DNA replication has been demystified

Bee brain study reveals pesticide effect

The brain function of important pollinators can be affected by pesticides even at low concentrations, say scientists.