We’re Using Giant Freakin’ Lasers To Probe Alien Planets

Alien planets are far away but extreme lasers on Earth are giving scientists a way to investigate what they're like.
Nature

See the intricate worlds of parasites and algae — March’s best science images

Veins of Earth. A satellite image shows some of the world’s rivers aglow as blue threads spread across Earth — a view never seen before in such detail or at such a scale. The image was captured by a ...