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Posts by
Editors of EarthSky
Slow spin of older stars key in the search for life
This is "gyrochronology," from Greek words gyros (rotation), chronos (time). It can help identify distant planets old enough for complex life to have evolved.
January 5, 2015
How to make an Earth
New evidence suggests that the basic ingredients for our Earth would likely go into making distant rocky exoplanets, orbiting other stars, as well.
January 5, 2015
Super-Earths may have long-lasting oceans
Planets with two to four times the mass of Earth are even better at establishing and maintaining oceans than our Earth, according to new research.
January 5, 2015
Can birds predict tornadoes?
Golden-winged warblers in Tennessee fled their breeding territories more than 24 hours before a tornado outbreak. What tipped them off?
January 5, 2015
Dawn spacecraft starts approach toward Ceres
The spacecraft will arrive at Ceres, a Texas-sized dwarf planet never before visited by a spacecraft, on March 6, 2015.
December 30, 2014
Flooding tipping points earlier than expected for U.S. coasts
By 2050, most of the U.S. coast is likely to see 30 or more days of flooding a year due to dramatically accelerating impacts from sea level rise, says a new study.
December 29, 2014
Tiny galaxy is Milky Way’s newly-discovered neighbor
A tiny, isolated dwarf galaxy almost 7 million light years away, with only one ten-thousandth of the mass of our Milky Way.
December 26, 2014
Wisdom has a new egg!
Recent photos of Wisdom - the world's oldest known, banded wild bird at an estimated age of 63 - with her newest egg. Go, Wisdom!
December 20, 2014
How birds get by without external ears
A new study looks at how birds localize sounds. It seems that their slightly oval-shaped head transforms sound waves in a similar way to external ears.
December 15, 2014
Genes link birdsong and human speech
Humans and vocal birds like parrots use essentially the same genes to speak.
December 15, 2014
