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.

Antarctica's ice melt isn't consistent, new analysis shows

An integrated approach for an effective prevention of Alzheimer´s disease