Wonderful photos of Venus and Mars, and the waxing moon, after sunset on February 20-21, 2015! Thanks to all who posted at EarthSky Facebook or submitted to EarthSky.org.
The U.S. Southwest and Central Plains are at high risk for a megadrought later this century if greenhouse gas concentrations continue to rise, says a new study.
Scholz's star passed only 0.8 light-years from our sun, only 70,000 years ago. It came closer than any other known star, sweeping through the Oort comet cloud.
The whale sings in a sound frequency that is so unusual, no other whales will respond. Filmmakers Josh Zeman and Adrian Grenier want to find it, and make a film about it.
Satellite view of February 14-15 blizzard that hit the U.S northeast. As of February 17, Boston snow was deeper than in all but two locations in Alaska.
Amateur astronomers spotted them first, but they show up in Hubble images, too. Astronomers are scratching their heads, wondering these mystery plumes are.
It's a fast-rendezvous, six-hour launch-to-dock mission to the International Space Station. Docking will occur later today. Online viewing details here.