A woolly mammoth calf, believed to be female, was found in Canada's Yukon territory buried in ancestral land of the Trʼondëk Hwëchʼin, whose elders named her Nun cho ga, which means "big baby animal" in the Hän language. Government of Yukon hide caption
A woodcut from the 15th century depicts a scene from the Black Death plague, which killed an estimated 50 million people in Europe and the Mediterranean between 1346 and 1353. Scientists say they may have found the origin of this deadly disease. Pictures from History/Universal Images Group/Getty Images hide caption
In this July 27, 2018 photo, the Dave Johnson coal-fired power plant is silhouetted against the morning sun in Glenrock, Wyo. J. David Ake/AP hide caption
The new bacteria, named Thiomargarita magnifica, were discovered on sunken leaves in a Caribbean mangrove swamp. The bacteria, shown here next to a dime, are close to the size of human eyelashes. Tomas Tyml/Tomas Tyml/The Regents of the University of California, LBNL hide caption
Cracking a window can help reduce your risk of infection by COVID pathogens. Tanishka R./For NPR hide caption
The flooding of the Saint John River in 2019 marks the second consecutive year of major flooding. Marc Guitard/Getty Images hide caption
This 2003 electron microscope image made available by the Centers for Disease Control and Prevention shows mature, oval-shaped monkeypox virions, left, and spherical immature virions, right, obtained from a sample of human skin associated with the 2003 prairie dog outbreak. Cynthia S. Goldsmith, Russell Regner/CDC via AP hide caption
Coastal Redwood Trees Justin Sullivan/Getty Images hide caption
On May 3, 2022, a partnership led by the Yurok Tribe released two California condors, called A2 and A3, into the wild as part of a decades-long conservation effort." Matt Mais/Yurok Tribe hide caption
Abortion-rights protesters regroup and protest following Supreme Court's decision to overturn Roe v. Wade, federally protected right to abortion, outside the Supreme Court in Washington on June 24, 2022. The Supreme Court has ended constitutional protections for abortion that had been in place nearly 50 years, a decision by its conservative majority to overturn the court's landmark abortion cases. Gemunu Amarasinghe/AP hide caption
People line up outside of the New York City Department of Health and Mental Hygiene on June 23, as the city makes vaccines available to residents possibly exposed to monkeypox. Tayfun Coskun/Anadolu Agency via Getty Images hide caption
A flower crafted by Nell Greenfieldboyce, at an American Society for Microbiology event highlighting agar art. Aidan Rogers/Edvotek hide caption
The new bacteria, named Thiomargarita magnifica, were discovered on sunken leaves in a Caribbean mangrove swamp. Olivier Gros/The Regents of the University of California, LBNL hide caption
Scientists hope the larvae of the darkling beetle — nicknamed "superworms" — might solve the world's trash crisis thanks to their uncanny ability to eat polystyrene. The University of Queensland hide caption
