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Deanna Conners

More than 450 volcanoes in Ring of Fire

The Pacific’s Ring of Fire has 75% of the world’s active and dormant volcanoes, plus it’s prone to powerful earthquakes. Here’s why.

Man-made chemicals in deepest sea

Scientists have detected persistent man-made chemicals in crustaceans from the Mariana Trench and Kermadec Trench, deepest parts of the ocean ever sampled.

Top 10 new species of 2016

From a giant tortoise to a tiny beetle and an early hominid, this year’s top 10 new species list contains some exciting finds.

Eastern monarch butterflies at risk of extinction, scientists say

Populations of the charismatic orange and black monarch butterfly have plummeted. Will they be extinct in 20 years?

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.

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.