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Editors of EarthSky
Chickens and turkeys closer to dinos than other birds
Songbirds and other birds sprang from dinosaurs, too. But new work indicates that chickens and turkeys are genetically closest to their dino ancestors.
December 15, 2014
New Horizon spacecraft wakes up for encounter with Pluto system
It's awake! On Saturday, the New Horizons spacecraft came out of hibernation, at the doorstep of Pluto.
December 8, 2014
Does this Martian meteorite contain traces of life?
Researchers say they’ve found evidence of biological activity inside a meteorite from Mars that landed on the Moroccan desert in 2011.
December 3, 2014
Asteroid brushes the Horsehead Nebula
Animation shows the space rock 4451 Grieve as it zips by the famous nebula.
December 3, 2014
Relentless blitz of small space rocks erased much of Earth’s primordial atmosphere
The inevitable question arises: What replaced the atmosphere? It's possible the same impactors that ejected the atmosphere also introduced new gases.
December 2, 2014
Another reason to be thankful for turkey
Be thankful for turkeys this Thanksgiving! An antibiotic to target staph infections and strep comes from good bacteria made inside turkeys, say researchers.
November 26, 2014
Video: Young volcanos on the moon
Scientists have long thought the moon's volcanos stopped erupting a billion years ago. But dotting the lunar landscape are some remarkably fresh volcanic features.
November 26, 2014
Is this exotic object an ejected black hole or a huge star?
Is SDSS1133 a supermassive black hole ejected from its home galaxy, or the remains of a massive star that exploded as a supernova? Astronomers aren't sure.
November 19, 2014
More lightning strikes in a warming world?
Rising temperatures could lead to a 50 percent increase in U.S. lightning strikes by the end of the century, says a new study.
November 17, 2014
