While the 21st century has been bumpy, it has also ushered in monumental scientific and technological breakthroughs that have ...
Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.
Taliban propaganda has depicted a flurry of activity at former U.S. bases in Afghanistan. Aerial images show aircraft decoys and equipment scavenged for parts.
Researchers using NASA's James Webb Space Telescope have detected the strongest evidence yet for an atmosphere on a rocky ...
Professional mountain guides share their top tips for staying safe on fall and winter hikes—plus the hiking gear they suggest for every trek. Shop hiking boots, trekking poles, cozy base layers, and ...
A federal program that uses military satellites to track wildfires is particularly useful when aircraft are grounded, as ...
Thermal satellites map block-level heat islands, letting cities target cool pavement and shade where they deliver the biggest ...
Longyearbyen, Norway, and Ushuaia, Argentina, offer travelers the opportunity to see unspoiled landscapes, rare wildlife, and vast glacial ice—along with a spirit of endurance and camaraderie.
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