The mind is a great statistician, say psychologists studying two types of perception. Read more about statistical summary perception and statistical learning.
Human activity produces more CO2 in three to five days than all volcanoes produce in a year, according to study. Read more about CO2 from human activity.
The sun might be headed for a rest period, according to the National Solar Observatory and the Air Force Research Laboratory. Read more about the possible drop in solar activity.
By Friday evening, June 10, the Wallow fire in Arizona had burned nearly 409,000 acres. Three images taken from space show the fierce magnitude of this event.
The jagged edge of a shark's dorsal fin is unique -- like a human fingerprint -- and was a key characteristic in allowing researchers to count one population.
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