Pelicans are strong fliers and calm swimmers. They float on water and scoop fish into their large throat pouch while swimming ...

There's a fledgling aviator out there who will likely be getting an aviation video game this holiday season. Your mother ...

Neil deGrasse Tyson reveals dark matter in a fresh perspective, explaining its mysterious role in the universe, how it shapes galaxies, and why it remains one of cosmology’s greatest puzzles.