Antarctica is a vast and dynamic place, but radar technologies -- from World War II-era film to state-of-the-art miniaturized sensors -- are enabling scientists to observe and understand changes beneath the continent's ice in...

Apple announced its new and long-awaited Mac lineup at its “One More Thing” event on Tuesday. These new Macs, powered by the new M1 processor, are the first Macs released after Apple announced it would shift away from Intel chips. But,...