New research chronicles a 23-to-36-mile-long asteroid that slammed into Earth about 3.26 billion years ago. The impact had a devastating effect on the planet, triggering a 30-minute-long earthquake, boiling the oceans, and lighting the sky on fire.
Greece in Crisis Photos from a nation struggling with closed banks, empty ATMs, rumors and uncertainty
The U.S. Isn’t Just Failing to Protect Electronics Workers From Toxic Substances. Their Kids Are Suffering, Too.
The XX Factor
The Latest Battle for Religious Women: Quran Recitation Apps That Don’t Include Female Voices
The Digital Demagogue The Greek prime minister’s faceoff with Europe is something new: a bold, imperfect, high-velocity form of mass democracy made possible by the Internet.