08/03/2022

NASA's NICER telescope sees hot spots merge on a magnetar

For the first time, NASA's Neutron star Interior Composition Explorer (NICER) has observed the merging of multimillion-degree X-ray spots on the surface of a magnetar, a supermagnetized stellar core no larger than a city.

Examining how animal swarms respond to threats

A herd of antelope feeds peacefully on a meadow. Suddenly, a lion shows up, and the herd flees. But how do they manage to do so collectively? Konstanz physicist Chun-Jen Chen and Professor Clemens Bechinger, a member of the ...

US officials reverse course on pesticide's harm to wildlife

U.S. wildlife officials reversed their previous finding that a widely used and highly toxic pesticide could jeopardize dozens of plants and animals with extinction, after receiving pledges from chemical manufacturers that ...

Guatemala Volcano of Fire eruption prompts evacuations

About 500 residents evacuated voluntarily from the slopes of Guatemala's Volcano of Fire Tuesday as red-hot rock and ash flowed down the slopes toward an area devastated by a deadly 2018 eruption.

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