Fall officially starts in just a few days. Here is everything to know about the last day of summer, what an equinox is and why it's so important.

In the Pacific Northwest weather region — which includes western Washington, western Oregon and part of northern California — ...

The continents are drying, freshwater availability is shrinking, and sea level rise is accelerating… Combined, they send ...

Three celestial bodies will meet up for one night in September in a cosmic conjunction that should be widely visible in the ...

On Sept. 21-22, a partial solar eclipse will see the moon sweep over the sun's disk, blocking its light over a swathe of the ...

Most teachers worldwide still believe myths about learning decades after they have been debunked. Here are the most common.

This Sunday, a partial solar eclipse is taking place just hours before the September equinox flips Earth's seasons. Here's ...

WASHINGTON (AP) — President Donald Trump said the U.S. military on Monday again targeted a boat allegedly carrying drugs from ...

Wildlife officials have put out a call to the public after the body of a dusky dolphin was found decapitated on a New Zealand beach. The dead dolphin was reported on a beach north of Kaikōura by a ...

President Donald Trump said the U.S. military on Monday again targeted a boat reportedly carrying drugs from Venezuela, ...