My jaw dropped in Cartagena. This old, historic, colonial city just felt like one gorgeous, picture perfect spot followed by another. The buildings were splashed with color – red, gold, pink, and blue ...

New research shows the blast triggered secondary gravity waves that rattled the upper atmosphere, where satellites orbit.

Discover the most unforgettable things to do in Isla Mujeres, from snorkeling with whale sharks to relaxing on Playa Norte.