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Cancer-detecting blood tests are on the rise. Do they work?

In the spring of 2021, the cancer field was abuzz over research that suggested a simple early-detection blood test could find dozens of different cancers, including many for which there is no routine screening.Four and a...

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Uranus and Neptune reveal their true colors

Undated images provided by the University of Oxford show a 1986 image of Uranus and a 1989 image of Neptune released shortly after each Voyager 2 flyby, compared with the universitys reprocessed images of the planets that better approximate their true colors. (University of Oxford via The New York Times)

The heart surgery that isn’t as safe for older women

Cynthia Mosson, 61 and recovering from emergency open-heart surgery last year, has her blood pressure taken during a therapy appointment in Frankfort, Ind., Jan. 19, 2024. (Kaiti Sullivan/The New York Times)

Just how healthy is Salmon?

Salmon is good for you that part we know. But choosing which type to eat for your health sockeye or coho, wild or farmed isnt so obvious. Food stylist: Maggie DiMarco. (Scott Semler/The New York Times)

What came before Tyrannosaurus Rex

A life reconstruction of Tyrannosaurus mcraeensis, which appears in the fossil record about six million or seven million years before its larger, more famous cousin. (Sergei Krasinski via The New York Times)

How much water do I need to drink?

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Can dieting lead to long-term weight loss?

Stick to the right diet, the $75 billion U.S. weight loss industry may have you think, and you, too, can lose weight and keep it off. (Derek Brahney/The New York Times)

10 ways to support your mental health

A classic study found that people who were optimistic about aging lived 7 1/2 years longer than those who had negative perceptions of it.

2023 was Earth's hottest year

The year of 2023 was the hottest on record,

The 7 keys to longevity

Ignore the hyperbaric chambers and infrared light: These are the evidence-backed secrets to aging well.

A stunning eclipse, a moon race, and other space events in 2024

A group of beachgoers view the solar eclipse in Folly Beach, S.C., Aug. 21, 2017. (Travis Dove/The New York Times)

This Gorilla’s caregivers face familiar questions about aging

In an undated photo from the San Diego Zoo Wildlife Alliance, Winston at San Diego Zoo Safari Park. (San Diego Zoo Wildlife Alliance via The New York Times)

How unhealthy are ultra-processed foods?

Ultra-processed foods have been linked to a range of illnesses, but some experts think the definition remains vague

UN talks look for deal on winding down fossil fuels

A man walks past a wall with two banners that read 'Stop war' and 'Go green' at the United Nations Climate Change Conference (COP28) in Dubai, UAE. - Reuters

Penguins take thousands of naps every day

An image from Paul-Antoine Libourel shows a single chinstrap penguin resting on its stomach on a rock with its eyes shut. (Paul-Antoine Libourel via The New York Times)

To the moo-n: cow dung fuels Japan's space ambitions

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