Firefly season is here: When to watch for summer’s flashing lights A new map shows when the Big Dipper Firefly is most active across the central and eastern U.S., while conservation biologist Richard ...

Sunset after 9pm: Why the sun and clock don't align perfectly around the solstice The summer solstice is on June 21, but across the U.S., that date does not match when the earliest sunrises and latest ...

Rounds of severe thunderstorms will expand from the Plains to parts of the East this week, with damaging wind gusts, hail, torrential downpours and frequent lightning strikes in some cases.

Tropical Storm Amanda has formed in the eastern Pacific Ocean, becoming the first named storm of the year within 1,500 miles of the Americas. An area of tropical interest and a tropical rainstorm near ...