Charles Ross spent 50 years building “Star Axis,” a naked-eye observatory in New Mexico. Now his masterwork is ready. How to share it with a changed world?
Factors such as erosion, dehydration and soil compaction are jeopardizing food supplies for broad swaths of the world's population, according to a study by the University of Bonn, the University of Minnesota, the University of Basel and Hamburg University of Technology. If human-made soil degrad...
When NASA’s Nancy Grace Roman Space Telescope launches, as early as the end of next month, it will attempt one of astronomy’s most precise disappearing acts to date. The telescope will carry the first space-bound “active” coronagraph, an instrument that effectively erases most of the light from ...
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Archaeologists in El Salvador exhumed human remains believed to be nearly 3,000 years old Tuesday, the Ministry of Culture said.
Two Danish coastal cliffs where paleontologists have uncovered 55-million-year-old fossils of prehistoric wildlife are likely to gain World Heritage status as UNESCO's committee meets in South Korea.