Fact Book

On December 26, 2004, a magnitude 9.1 earthquake off the western coast of northern Sumatra, Indonesia, generated one of the deadliest tsunam...

On January 28, 1986, the space shuttle Challenger began what should have been a groundbreaking mission. Just 73 seconds after leaving Kenned...

On May 18, 1980, Mount St. Helens became the site of the deadliest volcanic eruption in United States history. But the feature that made the...

Air France 447 Explained: How a Modern Airliner Vanished Over the Atlantic On June 1, 2009, Air France Flight 447 disappeared over the Atl...

On April 20, 2010, the Deepwater Horizon drilling rig was completing work on the Macondo well in the Gulf of Mexico when control of the wel...

At 1:23 a.m. on April 26, 1986, a safety test at Chernobyl Nuclear Power Plant Unit 4 entered a catastrophic sequence. Within seconds, Reac...

Spain's most dangerous flash floods are not explained by one ingredient. The disaster chain can begin over the Mediterranean, intensify...

Artificial intelligence is often described as software, but the current boom is increasingly physical. Models require chips, data centers, ...

The Fermi paradox is usually framed as a contradiction: the Milky Way contains hundreds of billions of stars, planets are common, and the g...

Modern astronomy can measure the universe with astonishing precision, yet some of its biggest ingredients remain unexplained. Dark matter s...