Written in red pen on a restaurant placemat, the suicide note was one of the key pieces of evidence cited by Seattle Police ...

Warm, rain-starved months delay planting across the Valley, leaving nurseries with unsold saplings and raising risks for future harvests.

A new study questions the age of Chile's Monte Verde archaeological site, reigniting debate over when the first people reached South America.

Scientists have uncovered the oldest direct evidence yet that Earth’s tectonic plates were on the move 3.5 billion years ago. By analyzing magnetic fingerprints in ancient rocks, they reconstructed ...