Scientists say Vallis Schrödinger and Vallis Planck—dramatic trenches near the lunar south pole—were carved in a blast that ...

Ponant and Smithsonian Journeys' cruise to Panama and Costa Rica infused leisure with education. Why travelers should choose this sustainable cruise.

What are we learning about the past? Here are three of our most recent eye-catching archaeology stories.

A 16-year-old boy was killed and five other men were injured when a shooting broke out overnight at a house party in Woodland Hills.