By Will Dunham WASHINGTON, Jan 27 (Reuters) - Atomic scientists set their "Doomsday Clock" on Tuesday closer than ever to ...

The new Doomsday Clock time has been set by the Bulletin of the Atomic Scientists. Here’s what it means.

For more than a century, scientists have wondered why physical structures like blood vessels, neurons, tree branches, and other biological networks look the way they do. The prevailing theory held ...

Canadian scientists have made an exciting discovery that could change our understanding of the early universe. Heidi Petracek has the details. Layoff notices sent to thousands of federal government ...

A long-standing law of thermodynamics turns out to have a loophole at the smallest scales. Researchers have shown that quantum engines made of correlated particles can exceed the traditional ...

For years, physicists have mapped the stability of atomic nuclei with remarkable confidence. The periodic table, with its neat rows and columns, hides a more chaotic reality underneath, where protons ...

In 1969, a year before the Environmental Protection Agency was born, one of President Nixon’s aides sent out an alarming memo about a novel existential threat to the administration. Was it the Soviet ...

The annual UN climate change conference held in Brazil last year, known as COP30, concluded without a clear roadmap to phase out fossil fuels. It also laid bare a question that has long haunted ...

Here’s what you’ll learn in this story: Time might actually have 3 dimensions. But it also means that the space would actually be one-dimensional, instead of the three dimensions we’re familiar with.

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Eighty years have passed since the bombing of Hiroshima, when Kodama’s life and the world changed dramatically. She has not forgotten that day, but she said looking at today’s conflicts, it seems like ...

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