north america
Visitors wearing masks ride on a roller coaster at Six Flags Magic Mountain on its first day of reopening to members and pass holders in Valencia, Calif., on April 1, 2021. Jae C. Hong/AP hide caption
Scientists studying fossil human footprints in New Mexico say their age implies that humans arrived in North America earlier than thought. NPS Photo hide caption
Fossil footprints in New Mexico suggest humans have been here longer than we thought
Left: On Sept. 27, 2020, the Glass Fire burns a hillside above Silverado Trail in St. Helena, Calif. Right: The ice that covers the Arctic Ocean is shrinking as the climate gets hotter. Scientists are finding it could be linked to weather that's helping fuel disasters. Left: Noah Berger/AP Right: Andy Mahoney/University of Alaska Fairbanks hide caption
Wildfires are bigger. Arctic ice is melting. Now, scientists say they're linked
Some of the 35 Denver Mountain Park bison wait in a corral to be transferred to representatives of four Native American tribes and one memorial council as they reintroduce the animals to tribal lands on Wednesday. David Zalubowski/AP hide caption
Fossilized human footprints shown at the White Sands National Park in New Mexico. According to a report published in the journal Science, the impressions indicate that early humans were walking across North America around 23,000 years ago. National Park Service via AP hide caption
A monarch butterfly flies to Joe Pye weed, Wednesday, Aug. 28, 2019, in Freeport, Maine. Rapid development and climate change are escalating the rates of species loss, according to the United Nations. Robert F. Bukaty/AP hide caption
The U.S. and Canada closed their shared border to nonessential traffic in March and extended that order last month. On Tuesday, Canadian Prime Minister Justin Trudeau announced that the order has been extended yet again. Elaine Thompson/AP hide caption
Swedish environmental activist Greta Thunberg has declined a major environmental prize, saying that the "climate movement does not need any more awards." Eduardo Munoz Alvarez/AP hide caption
(Left to right) Dark-eyed Junco, Eastern Meadowlark, Red-winged Blackbird Steven Mlodinow/EOL.org; Greg Lasley/EOL.org; dfwuw/EOL.org hide caption
Major credit card companies say they are phasing out signature requirements starting in April. Joe Raedle/Getty Images hide caption
The Eclipse Magic Cone features a black waffle cone made with coconut ash and tipped with edible gold, and an interior filled with spiced marshmallow fluff and a golden-yellow ice cream flavored with ginger and turmeric. Courtesy of Salt & Straw hide caption
The U.S. Department of the Interior has ordered an internal review of sage grouse plans and programs. Bureau of Land Management hide caption
Camera trap image of an American badger burying a calf carcass by itself in Utah's Grassy Mountains, January 2016. Courtesy of Evan Buechley hide caption
Wild bison destined for Banff National Park are prepared for loading and travel at Elk Island National Park's bison-handling facility in Alberta, Canada, on Jan. 31. Johane Janelle/Parks Canada/Reuters hide caption
These houses in southwestern Haiti were damaged or destroyed by Hurricane Matthew in October. Matthew was the most serious natural catastrophe in North America in 2016. Rebecca Blackwell/AP hide caption
A crowd of people lined up ahead of the grand opening of a Bass Pro Shops Outpost store last year in Atlantic City, N.J. Mel Evans/AP hide caption
A new installment in J.K. Rowling's series titled History of Magic in North America will be released every day for the next three days. Evan Agostini/Evan Agostini/Invision/AP hide caption
A Volkswagen Touareg diesel is tested in the Environmental Protection Agency's cold temperature test facility on Oct. 13. Carlos Osorio/AP hide caption