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In his book, Krauss surveys modern cosmology and what it says about the past and future universe.
Why some physicists think there can be more than one universe.
The Harvard physicist discusses her latest book, Knocking On Heaven’s Door.
New research indicates that a value thought to be a basic foundation of physics might vary from place to place in the universe.
Much-maligned moths are more than the butterfly’s drab cousin.
Hawk moths feed like hummingbirds. Ty Hedrick wants to know how they hold steady...
Can woolly bear caterpillars predict winter weather?
Several newly-discovered species of caterpillar in Hawaii function equally well ...
A virus known as baculovirus sends caterpillar climbing for the treetops.
\tLegend holds that the length of a woolly bear caterpillar’s color bands can be used to forecast how severe the winter weather will be. The myth dates back to colonial American folklore but was popularized by a 1948 study. SciFri finds out if there’s any truth to the lore, and what the caterpillar’s fuzzy bristles are really used for.