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He argued against putting condos, hotels and other heavy infrastructure on vulnerable coastal landscapes. Environmentalists applauded; many others didn't.

Vaccines today are more efficient and contain far fewer stimulants to the immune system than some used decades ago.

In Rochester, N.Y., every year in early December thousands of crows descend on the city, which tries to shoo them away with loud noises and bright lights.

A lawyer working with Robert F. Kennedy Jr. has asked the F.D.A. to withdraw approval of the current shot because it hasn't been tested against a placebo. Scientists say such a test would be unethical.

As academics fear being priced out of the fossil market, a private company announced that it aims to raise $13.75 million by selling shares in a stegosaurus fossil.

New export terminals on Indigenous land have reignited a generations-old debate over identity and environmental stewardship.

In "Theater of Thought," he talks to scientists and other experts about consciousness, quantum computing and whether parrots understand human speech.

Aaron Siri, who specializes in vaccine lawsuits, has been at Robert F. Kennedy Jr.'s side reviewing candidates for top jobs at the Department of Health and Human Services.

Scientists are concerned that the H5N1 virus could set off another human pandemic. But it is already putting species under pressure in the wild.

Research on so-called mirror cells, which defy fundamental properties of living organisms, should be prohibited as too dangerous, biologists said.