a superpuff planet

BIG PERSONALITY  Superpuffs (one illustrated) are extra fluffy planets that formed far from their star and subsequently wandered in closer, a new study suggests.

Fossil Finder screenshot

INTERNET SEARCH  To better understand the past environment of Kenya’s Lake Turkana Basin, FossilFinder.org asks volunteers to scrutinize thousands of aerial photos taken at the site.

Thomas Jaggar at Kilauea

PIONEERING SCIENTIST  The new book The Last Volcano chronicles the life of volcanologist Thomas Jaggar. Jaggar, second from left, is shown here measuring lava at Hawaii’s Kilauea volcano in 1917. 

illustration of Neandertals

MURKY RELATIONS  Once thought of as cavemen, Neandertals may have built structures, researchers discovered 50 years ago. The finding led to speculation that Neandertals were direct ancestors of modern humans, a conclusion that is still hotly debated.

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