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NOAA issues 2018-19 Winter Weather Outlook for US

About 3/4 of the United States is more likely to be warmer-than-average than colder-than-average this winter, according the NOAA report, and western drought is likely to persist or worsen.

Lightning across the solar system

Lightning is beautiful and powerful on our own planet. Here’s what’s being discovered about lightning on other worlds, via NASA ScienceCasts.

How Earth feeds volcanic supereruptions

To better understand where magma gathers in Earth’s crust, researchers studied the Taupo Volcanic Zone of New Zealand, the planet’s most active cluster.

Watch launch of BepiColombo mission to Mercury

The BepiColombo mission to our sun’s innermost planet – fascinating little Mercury – launches from Europe’s spaceport in French Guiana on October 20 at 01:45 UTC (tonight at 9:45 p.m. EDT). Here’s how to watch.

What makes giant soldier ants?

Charles Darwin puzzled over why ants come in such wildly different sizes. The question even made him doubt his theory of evolution. New research might explain why.

New species of giant dinosaur identified

The fossils of Ledumahadi mafube suggest that it was the largest land animal alive 200 million years ago.

Watch 3 whales dive, then leap

Whale watchers on a cruise out of Nova Scotia got a thrill when they saw 3 whales breach the surface, one after the other. “We did not drive them,” the cruise director commented.

Watch, as black holes spiral closer

A new simulation by scientists lets you witness supermassive black holes about to collide. One shows them from outside the system, just 40 orbits from merging. The other places you in their midst.

Did the Hubble telescope find the 1st exomoon?

Astronomers have tantalizing new evidence for a possible Neptune-sized moon orbiting the gas-giant planet Kepler-1625b, some 8,000 light-years away.

Arctic sea ice reaches 2018 minimum

On both September 19 and 23, Arctic sea ice dropped to its minimum extent of 1.77 million square miles (4.59 million square km). The 2018 minimum ties for the 6th-lowest in the satellite record.