A record number of Yellowstone wolves have been killed. Conservationists are worried
States neighboring Yellowstone National Park have eased rules on hunting wolves, resulting in the most being killed in nearly a century
Science
How much energy powers a good life? Less than you're using, says a new report
Americans use nearly four times the energy researchers say is needed to live a happy, healthy and prosperous life.
Fossil footprints mistakenly attributed to bears were made by early humans
A new look at some fossilized footprints shows that more than one species of human was walking upright around 3.6 million years ago. (This story originally aired on ATC on Dec. 2, 2021.)
Scientists say you shouldn't wear your shoes in your house
Ayesha Rascoe speaks with Mark Patrick Taylor of the Environmental Protection Authority of Victoria, Australia, about why he thinks everyone should remove their shoes before coming inside.
Charles Darwin's notebooks return to Cambridge after being missing for 20 years
Last month, two of Charles Darwin's notebooks that had been missing from the Cambridge University Library for 20 years were returned.
A worrisome new bird flu is spreading in American birds and may be here to stay
Scientists are tracking a deadly bird flu outbreak that has infected wild birds in more than 30 states. Purging the nation's poultry supply may not be enough to keep the virus from sticking around.
Why hasn't my daughter caught COVID? 2 factors likely protect her — and maybe you too
My 6-year-old has been exposed to SARS-CoV-2 at least four times and never tested positive. Many people fall into that category. Researchers have theories about why they've been able to ward it off.
What to do if you test positive for COVID at this point in the pandemic
The coronavirus keeps evolving and so does the guidance for addressing it. As cases tick up in some parts of the country, here is the latest advice on everything from testing to treatment.
Satellite photo shows Russian troops were stationed in Chernobyl's radioactive zone
The satellite image lends credence to the idea that Russia may have exposed its troops to unhealthy levels of radioactivity.
The 2022 Atlantic hurricane season will be more active than usual, researchers say
At least nine hurricanes are predicted by researchers at Colorado State University. Four of those are expected to be Category 3 or higher.