The first Trump administration built long segments of steel wall on Arizona's border. Conservationists fear wildlife will ...

The Lyrid meteor shower—also known as the April Lyrids—is an annual meteor shower that typically occurs between April 15 and ...

A study published in the journal Nature Geoscience has revealed a subtle yet significant phenomenon beneath the North ...

For years, millions of people traveled through Central America north to the United States. Now that flow is changing ...