New study challenges drought theory for Cahokia exodus

Nine hundred years ago, the Cahokia Mounds settlement just across the Mississippi River from present-day St. Louis bustled with roughly 50,000 people in the metropolitan area, making it one of the largest communities in the ...

When keeping secrets could brighten your day

Though people often want to share good news as soon as they learn it, a study published by the American Psychological Association has found that keeping good news a secret before telling someone else could make people feel ...

Dramatic decline in Adélie penguins near Mawson

Long-term monitoring has revealed a 43% decline in a large Adélie penguin population off the East Antarctic coast, near Mawson research station, over the past decade.

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