The Colossal Weight of Cities Is Making Them Sink, Even as Sea Levels Are Rising

Norman Golb, Dead Sea Scrolls Contrarian, Is Dead at 92

Bioluminescent Bays: Where the Nighttime Sea Shimmers With Light

ExoMars discovers new gas and traces water loss on Mars. Sea salt embedded in the dusty surface of Mars and lofted into the planet's atmosphere has led to the discovery of hydrogen chloride. The spacecraft is also providing new information about how Mars is losing its water.