As global warming continues to reshape Earth's climate, both the occurrence and mechanisms of extreme precipitation events, ...

The view of Earth from space is famously familiar—bright blue ocean, swirling gyres of white clouds, touches of terrestrial ...

When the balance in reflectivity shifts, “the whole circulation of the climate will shift in order to transport energy from ...

A rare green Hallowe’en comet will be visible in the night sky over the next few weeks before it vanishes for 1,300 years.

Skywatchers can catch a rare glimpse of Comet Lemmon this month, and it won't be back until around the year 3175. Here's how ...

Residents of several northern U.S. states could have the opportunity to see the dazzling northern lights tonight. Here's what ...

Early snowpack and plunging temperatures in Siberia could be setting the stage for a colder, snowier winter in Minnesota.

It was four weeks since fall began here, a third of the way to winter and the changes could be noticed in such signs as the ...

A pair of newly discovered comets are making a rare double display in the night sky this week. SWAN and Lemmon, both of which were discovered this year, have reached their closest points to Earth in ...