Latest Science headlines

Snakes with legs? Data sheds light on species’ ancestors

The most recent common ancestor of all living snakes was nocturnal and devoured prey whole using its hooked teeth as a hunting tool.

US effort attempting to save bees, butterflies

The plan aims to make make millions of acres of federal land more bee-friendly, and consider the use of fewer pesticides.

Heat waves expected to affect more

People are migrating into areas — especially in the South — where the heat is likely to increase.

Russian rocket carrying Mexican satellite fails after launch

It is the latest mishap to hit Russia’s troubled space industry, in which Soviet-era glory has been tarnished by a series of launch failures.

Bird sightings

Bird sightings from the Massachusetts Audubon Society

BETABOSTON

Near-death experience inspires new vision

Kevin Colleran, an early Facebook staffer, nearly died in a February crash. Now he finds that life is sweeter.

Instagram

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A live stream of Instagram posts from The Boston Globe photo department.