Megan I. Gannon is a journalist based in Seattle.
A 1,500-foot tsunami took scientists by surprise. Now we know why it happened
By chance a tour boat avoided a deadly tsunami set off by the retreat of Alaska's coastal glaciers. Scientists are working to spot landslides like the one that caused the massive wave to warn people in harm's way
New Satellite Is a ‘Swiss Army Knife’ in Space
The hyperspectral probe can pick out extreme detail of materials on Earth’s surface
Space Archaeology Takes Off
An International Space Station project is “one small step” for off-world fieldwork
Long-Awaited Update Arrives for Radiocarbon Dating
Scientists who study organic materials from the past 55,000 years may see some changes in their data
Wayward Satellites Test Einstein’s Theory of General Relativity
The botched launch of two Galileo navigation probes made for an unexpected experiment
The Great Barrier Reef Is “In for a Rough Ride”
Eminent coral researcher Terry Hughes says the key to protecting the iconic corals off Australia’s coast is to stop global warming