Monarchs

Queen Elizabeth II never formally met with former President Lyndon B. Johnson, who died in 1973, four years after his presidency ended. He's believed to be the only president during her reign who she didn't meet. Here's who the queen did meet on her trip to Texas in 1991.

The North American Friendship Garden at Confluence Park opened Thursday following a ribbon-cutting attended by local government leaders and the Counsels General of Canada and Mexico.

The U.S. Fish and Wildlife Service said other species are "higher priority" for listing as threatened or endangered.

Mexican officials calculated an increase in the monarch butterfly population early this year but overall, the population has declined by 90% since the…

Monarch butterflies are vanishing from America’s backyards at an alarming rate. This could have devastating consequences for the ecosystem as well as the…