NASA and NOAA announced today that 2016 was the hottest year on record globally - and the 3rd year in a row of record warming - continuing a decades-long warming trend.
The site on Mars is called Old Soaker. It seems to have cracks, as in a dry lake bed. These may be Curiosity's 1st confirmed mud cracks. If so, they're keys to understanding an ancient, warmer, wetter Mars.
A photographer in St. Paul, Minnesota captured this mesmerizing footage of soap bubbles freezing. It looks like time-lapse but it's actually in real time!
In the Northern Hemisphere, the January full moon is sometimes known as the Wolf Moon. Howl at these awesome photos of the January's full moon from EarthSky friends around the world.
ISS astronauts will work on a complex upgrade to the station’s power system during the January 13, 2017 spacewalk. Spacewalk begins around 7 a.m. EST (1200 UTC) and is expected to last about 6 hours.
An iceberg the size of Delaware is set to calve from Antarctica's Larsen C ice shelf. Only about 12 miles (19 km) still connect the ice chunk to the rest of the continent.
A year ago, the equatorial Pacific was pulsing with heat, due to one of the most intense El Niños on record. But the current La Niña has been relatively quiet.
A new NASA study is investigating how different light intensities and spectra can be used to help regulate astronauts' patterns of alertness and sleep.
Eleanor Imster has helped write and edit EarthSky since 1995. She was an integral part of the award-winning EarthSky radio series almost since it began until it ended in 2013. She and her husband live in Tennessee, where they enjoy guitar playing and singing. They have 2 grown sons.