MIT scientists identify a plasma plume that naturally protects the Earth against high-energy solar activity.
Posts by EarthSky
Shark-cams, sensors, electronic pills reveal sharks’ secrets.
Light speed is about 300,000 kilometers per second (186,000 miles per second), so this black hole is spinning almost unbelievably fast.
Satellite video captures the awesome power of the winter storms that hit the eastern U.S. on the first days of March.
Statue of Liberty, Independence Hall, Tower of London and Sydney Opera House are among sites that could be lost to rising seas if current global warming trend continues.
At the Wolong Nature Reserve for endangered pandas, horses belonging to farmers were found grazing on bamboo, the pandas’ only food source.
A NASA-funded sounding rocket launched straight into an aurora over Venetie, Alaska, on March 3, 2014.
Red dwarfs make up at least three quarters of the stars in the universe. A new study suggests that virtually all red dwarfs have planets orbiting them.
The streaks emanating from this galaxy are hot young stars, encased in wispy streams of gas torn away from the galaxy as it moves through space.
A flurry of studies suggests that this lost world could have been an ice age haven, dotted with game and wildflowers, for both animals and humans.