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Health and Science news

Updated at 8 p.m. ET

TransCanada, the company that owns and operates the Keystone Pipeline, says that an estimated 210,000 gallons, or 5,000 barrels, of oil have spilled near the small town of Amherst, S.D.

Addiction specialists caution against reading too much into a new study released this week that compares two popular medications for opioid addiction. This much-anticipated research is the largest study so far to directly compare the widely used treatment Suboxone with relative newcomer Vivitrol.

Researchers who compared the two drugs found them equally effective once treatment started. But there are fundamental differences in the way treatment begins, which makes these findings difficult to interpret.

Would you be curious and excited if, out on a walk near your home, you came face-to-face with a young owl, not yet a confident flyer?

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Scientists believe they may have new insights into why passenger pigeons went extinct, after analyzing DNA from the toes of birds that have been carefully preserved in museums for over a century.

Governments are wrapping up a meeting in Bonn, Germany, to figure out how to implement a global climate agreement.

The conference has focused on the pledges to reduce greenhouse gas emissions, which nations made two years ago in Paris. But even as negotiators debate the details, scientists are warning that carbon dioxide levels are again on the rise, and the efforts in Paris may not be enough.

For years the Food and Drug Administration has been trying to get doctors to quit prescribing codeine, an opioid painkiller, to children after getting their tonsils or adenoids out.

But it can be hard to get clinicians to change their prescribing habits, even when children have died and other less risky medications are available.

Hurricane Harvey as a ball of swirling sea salt. Hurricane Irma scooping up the sands of the Sahara. Hurricane Ophelia, bizarrely, taking smoke from Portugal and pulling it up to the coast of Ireland.

A new visualization from NASA shows the hurricanes from 2017 season from a new perspective — that is, their impact on particles carried in the wind.

When U.S. officials feared an outbreak of the Zika virus last year, the Department of Health and Human Services and state officials kicked into high gear.

They tested mosquitoes neighborhood by neighborhood in Miami and other hot Gulf Coast communities where the virus was likely to flourish. They launched outreach campaigns to encourage people to use bug spray. And they pushed the development of a vaccine.

A 79-year-old man picked up an object with his left hand and suddenly felt a sharp pain in his shoulder. Something moved in his upper arm. And with that, he was Popeye.

His right arm looked the same as it always had: lean and sagging a little with age. But his left biceps now sported a baseball-size bulge that looked like it could land a powerful punch. The brand-new muscle mound looked even bigger when the man flexed his biceps. The only thing was, it hurt. A lot.

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