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Editors of EarthSky

Singing mice protect their turf with high-pitched tunes

"Most people are puzzled by the existence of singing mice, but in reality many rodents produce complex vocalizations, including mice, rats and even pet hamsters." - Bret Pasch

Facebook language study predicts age, gender, personality traits

Researchers analyzed Facebook users' linguistic patterns to predict the individuals’ age, gender and responses to personality questionnaires.

Astronomers find missing link pulsar

Newly discovered pulsar switches between emitting X-rays and emitting radio waves. It's the first direct evidence of one kind of pulsar turning into another.

New electric fish found in murky waters

Scientists have identified a new kind of eel-like electric fish, the Akawaio penak, in a remote region of Northern Guyana that is known for its biodiversity.

A shot of anxiety and the world stinks

How stress can rewire the brain - linking centers of emotion and olfactory processing - to change good smells to bad.

Amateur astronomers see Comet ISON

"Certainly we would love it to be a couple of magnitudes brighter right now, but it's doing just fine. I'd say it's still on course to become a very eye-catching object." - Karl Battams, Naval Research Lab in Washington, D.C.

Astronomers discover densest galaxy ever

Imagine the distance between the sun and nearest star system, Alpha Centauri. That’s a distance of about 4 light-years. Now, imagine as many as 10,000 of our suns crammed into that relatively small space.

Amazing photo of eagle vs. deer

An amazing photo from the Russian Far East shows predation of sika deer by a golden eagle.

Chasing the black holes of the ocean

According to researchers from ETH Zurich and the University of Miami, some of the largest ocean eddies on Earth are mathematically equivalent to the mysterious black holes of space.

A fast fish with a huge impact

In the Danube River, scientists have been observing a fish species conquering a new habitat and creating a totally new ecosystem while many plants and animals are being run off due to globalization.