News
- Climate
Already feeling the heat
Long-delayed U.S. government summary of climate change science sees effects on energy, transportation, farming, and water.
- Planetary Science
Rarin’ to go
After a day’s delay, the robotic arm on the Mars Phoenix Lander is free of its shackles and is preparing to dig for ice.
- Archaeology
Domain of the dead
Researchers say that Stonehenge functioned as the largest cemetery of its time.
- Archaeology
Footprints in the ash
Humans may have been walking around what is now central Mexico 40,000 years ago.
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