Arctic sea ice extent through most of April changed very little. Only at the end of the month did extent begin to decline. Because the month started with unusually low extent, however, the average ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. The efficiency and resolution of dispersive spectrometers play crucial roles in ...

Staffers from Elon Musk’s Department of Government Efficiency are building a master database to speed-up immigration enforcement and deportations by combining sensitive data from across the ...