A temperature difference smaller than a hot shower might seem worthless, but the ocean's sheer volume makes it an untapped power source waiting to be scaled.
On March 23, 2014, engineers opened the gates of Morelos Dam on the Arizona–Mexico border and released 105,392 acre-feet of Colorado River water into a channel that had been dry for most of five decades. Within weeks, cottonwood and willow seedlings anchored in the wet silt, and by mid-May a thin ribbon of river reached the Sea of Cortez for the first time in a generation.
Europe's commercial space ambitions finally broke through the atmosphere—and it happened north of the Arctic Circle.
A controversial rewilding experiment on a remote Lake Superior island appears to be working, with wolves breeding successfully and population models now projecting long-term survival.
The bus-sized infrared observatory that launched on August 30, 2026 is named for the astronomer who, in 1959, became NASA's first chief of astronomy and spent two decades assembling the plans that became Hubble, Chandra, Spitzer, and Compton.
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SpaceWar is an independent publication covering military space, nuclear strategy, great-power competition, defense technology, and the security forces shaping modern conflict. The site pairs a deep archive with current reporting on the governments, companies, policy shifts, and technical breakthroughs shaping defense, deterrence, and global security. We employ modern AI technologies to support our editorial workflows; every published piece is editorially directed and reviewed.
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