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Your Cat Is Being Nice? Think Again.

TAYLOR MITCHELL BROWN

A new study finds that sometimes cats groom each other specifically to be annoying.

Joseph Fraumeni, 93, Dies; Helped Discover Genetic Link to Cancer

TRIP GABRIEL

Considered the founder of molecular epidemiology, he worked with Frederick P. Li to identify a hereditary disorder that increased the risk of developing cancer at a young age.

What China’s Successful Rocket Launch Means for the Future of the Space Race

KENNETH CHANG

A space neophyte not long ago, China is now the United State’s main competitor for supremacy throughout the solar system.

F.C.C. Approves Test of Space Mirror to Light Night Sky Despite Outcry

HIROKO TABUCHI

A start-up company has permission to try its plan to bounce solar rays onto the dark side of Earth, turning night to day for a three-mile-wide patch.

I.U.C.N. Update Says Deep-Sea Mining Threatens Mollusks Around Hydrothermal Vents

CATRIN EINHORN

The snails and other mollusks around hydrothermal vents have evolved to thrive in extreme conditions, but mineral extraction could drive more than half to extinction.

Wimbledon 2026 opened with a 148 mph serve—here’s how tennis players brains track such fast balls

Tennis players can return high-speed balls using a combination of reaction and predicting the future

How a 1,900-year-old latrine helps explain why Roman concrete lasts

An ancient sample shows calcite threading through the material's cracks and pores, with possible lessons for making modern concrete last longer

Kids Can’t Stop Watching ‘Moana.’ There’s a Scientific Explanation.

SARAH BAHR

The 2016 release has become the most watched movie on Disney+. Parents and experts explain why kids can’t get enough.

Years After He Quit Smoking, a Lung Cancer Scan Saved His Life

PAULA SPAN

Lung cancer remains the leading cause of cancer deaths in the United States and older adults are at higher risk. But only about a quarter of patients eligible for screening are up-to-date.