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The administration is proposing a return to a 1990s-era policy that kept most drug ads off TV. That could dent the revenues of drugmakers and major networks.

The report, which follows a draft leaked last month, demonstrates both the ambitions and limits of Robert F. Kennedy Jr.'s "Make America Healthy Again" agenda.

If the results are promising, veterinarians hope to give the shots to wild Hawaiian monk seals, which are endangered.

Its vast investment in solar, wind and batteries is on track to end an era of global growth in the use of coal, oil and gas, the researchers said.

Scientists cannot say for certain, but new research suggests that different people's brains respond similarly when looking at a particular hue.

Tech companies are displaying A.I., lasers and more as they compete for a piece of President Trump's ambitious plan for a missile defense shield.

Scientists are steadily ruling out habitable conditions on the seven planets of the star Trappist-1. On one of the worlds, a nitrogen gas-rich veil remains a possibility.

A looming constitutional battle between Texas and New York is the leading edge of the escalating states' rights fight over the prescribing and mailing of abortion pills to patients in states with bans.

The bumpy snailfish, discovered 10,000 feet down off the coast of California, shows that not all denizens of the abyss are frightening.

He was only 37 when he made a discovery that challenged the existing tenets of biology and led to an understanding of retroviruses and viruses, including H.I.V.,