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We hear about the history of George Papadopoulos, who advised the Trump campaign on foreign policy and has now pleaded guilty to lying to the FBI about his interactions with Russians.

A comparison of brain tissue from monkeys, chimps and humans suggests that our brains produce the chemical messenger dopamine, which plays a major role in pleasure and rewards, far differently.

Pacific Gas and Electric Company announced a public safety power shutoff over the weekend as some of the strongest winds and driest conditions of this year's fire season sweep through the region.

Scientists found remains of parrots in the Atacama desert, far from the birds' home in the Amazon. The discovery allowed scientists to reconstruct ancient trading routes used to transport the birds.

President Biden has unveiled a massive infrastructure proposal that he says would deliver a "once-in-a-generation investment" in the United States. Here are the key details.

The prize committee said Dr. Anthony Fauci, long-time head of the United States' leading infectious diseases research institute, "is the consummate model of leadership and impact in public health."

On the date of the prime minister's party, the country's COVID restrictions meant that people were required to remain in their homes and away from others unless they had a "reasonable excuse."

NASA's James Webb Space Telescope successfully deployed its secondary mirror Wednesday after unfolding its enormous sunshield a day earlier.

A study of trees in dozens of cities found that urban heat and light pollution are pushing urban trees to sprout leaves earlier than trees in more rural areas.

The James Webb Space Telescope has captured NASA's most detailed image of the Pillars of Creation that is helping scientists better understand how stars form.