A handful of new studies moves the needle toward a consensus on the long-disputed question of whether insect wings evolved from legs or from the body wall, but the devil is in the details. Jef Akst ...

wing structures,” he tells McClatchy News’ Olivia Lloyd. Why did it take so long to find an Appalachian grasshopper? Rapp says some of it comes down to luck—being in the right habitat at the ...