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Deanna Conners
lava

Scientists reconstruct supervolcanic eruption

Scientists estimate that slow, dense pyroclastic flows blanketed the southwestern U.S. after the enormous eruption at Silver Creek 18.8 million years ago.

Extinction of giant herbivores changed global landscapes

Extinctions of large herbivores such as mammoths, mastodons, and ground sloths helped turn many open landscapes into forests, scientists say.

2016 Great Backyard Bird Count starts February 12

This year’s Great Backyard Bird Count runs from February 12–15. It’s free and easy to participate. Find out how.

How do snowflakes get their shape?

Depending on the temperature and humidity of the air where the snowflakes form, the resulting ice crystals will grow into a myriad of different shapes.

cloud-streets-bering-sea-20jan2006-300

What are cloud streets?

Cloud streets are long rows of cumulus clouds that are oriented parallel to the direction of the wind. Check out these cool images!

2015 worst US wildfire year on record

Wildfires burned more than 10 million acres of land in the United States in 2015, a year marked by intense drought across much of the west.

New glimpse of geology under Antarctic ice

Using technology built to withstand the harsh winters, scientists have managed to map the volcanos, rifts, and basins hidden under West Antarctica’s ice sheet.

Vast river network once flowed across Sahara

Scientists have captured amazing new radar images of a paleoriver network underneath the desert sands of the Sahara.

Faster ice loss at major Greenland glacier

A large glacier in northeastern Greenland, called Zachariae Isstrom, has been melting faster since 2012. It’s now losing mass at rate of 5 billion tons per year.

Here are 3 amazing feats spider skills

Halloween time is spider time. Three amazing spider skills you might not have known about.