Antarctica's ice melt isn't consistent, new analysis shows
Devonian Fish’s Inner Ear Sheds Light on Earliest Evolution of Jawed Vertebrates
A pair of spacewalking astronauts completed a four-year effort to modernize the ISS's power grid. The space station is now equipped with 24 lithium-ion batteries to store power collected by the solar panels. NASA expects these batteries to last the rest of the space station's operating life.