The Centers for Disease Control and Prevention announced that it will expand its infectious disease surveillance programs at major airports around the country.
A new study published in the journal Science observed chin strap penguins in Antarctica and found that they take thousands of small naps a day each lasting only about four seconds.
The North American wolverine will receive long-delayed federal protections under a Biden administration proposal released Wednesday in response to scientists warning that climate change will likely melt away the rare species’ snowy mountain refuges.