Some California millipedes first evolved bioluminescence to cope with harsh desert living, according to scientists who may have cracked the mystery of glowing millipedes.
Scientists race against the clock to retrieve data that will also help them understand the devastating quake.
With roads and communication networks down, rescuers worry about ominous silence from remote areas.
Three Sherpas killed attempting to establish escape route through icefall.
A newly discovered dinosaur from South America doesn’t fit easily into any known category.
The president chooses the nation’s most vulnerable state to talk about impacts of climate change and rising sea levels.
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