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A mass extinction event wiped out around 90% of life. What followed has long puzzled scientists: The planet became lethally ...
The umbrella-shaped antenna, built by US space firm L3Harris, catches the returning signals and redirects them to the ...
The geologic time scale divides Earth’s 4.6 billion-year story into grandly named chapters. Like nesting dolls, the chapters contain sub-chapters, which themselves contain sub-sub-chapters.
Another attempt to introduce a new unit of geological time could now have to wait a decade. In the meantime, we remain in the Holocene epoch, which started at the end of the last ice age, some ...
A scientific panel has picked Crawford Lake, Ontario, to represent the Anthropocene, a proposed, and hotly contested, new chapter in geologic time. By Raymond Zhong For almost 15 years, a panel of ...
Another attempt to introduce a new unit of geological time could now have to wait a decade. In the meantime, we remain in the Holocene epoch, which started at the end of the last ice age, some ...