Launched by UCLA and American Forests to combat heat-related deaths, the tool maps the shade infrastructure for over 360 U.S.

using user-reported sightings to map their progress. As of April 14, hummingbirds have made it as far north as New Jersey and Philadelphia. Need a break? Play the USA TODAY Daily Crossword Puzzle.

The Welikia Project, made by ecologists at the New York Botanical Garden, uncovers all the flora and fauna that thrived in ...

An interactive map tracks their migration and ... Hummingbirds are returning to the United States, migrating hundreds or thousands of miles from their winter habitats in Mexico and Central America.