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The aging Michigan power plant was set to retire. Then the Trump administration intervened in a way that overstepped its authority, a court ruled.

New estimates using the planet's surface wrinkles show that our smallest planet is growing even smaller, at a faster clip than expected.

Cardiologists are struggling to figure out why a drug that should have prevented heart attacks didn't work at all.

Tribes and scientists are mounting an urgent trapping effort to keep European green crabs from devastating a corner of Puget Sound.

The technology is far from the only existential risk our species faces. But weighing such cosmic fears can become a mind-bending exercise.

Low rainfall and shrinking rivers are causing shipping bottlenecks, and higher prices, around the world.

The screens of foldable phones are a triumph of materials science and microengineering.

The screens of foldable phones are a triumph of materials science and microengineering.

Five years after virtually every world leader agreed to "phase down" the burning of coal for climate reasons, the fuel is more widely used than ever.

Tristan Buckmaster was on the path toward an important proof when one of the A.I. giants used its staggering resources to get there first.