After a century of observations spanning the breadth of the cosmos and theoretical insights that push humanity's vision of ...

Even before the first stars lit up the Universe, the Cosmos was not the cold place most researchers once imagined. New ...

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We know how the universe began. An event we call the Big Bang started it all about 13.8 billion years ago. How the universe ...

The origin of our Universe remains one of the greatest enigmas of science, a question that seems to defy the limits of our physical understanding. For decades, cosmologists have struggled with the ...

The race is on to harness the near-infinite power of nuclear fusion—by building a star on Earth. And scientists are closer ...

On its 20th anniversary, YouTube is venturing into an era of AI-generated video, and may never be the same. I had that shift in mind when I recently interviewed YouTube CEO Neal Mohan at his office at ...

As the nucleus splits, it also releases its neutrons. These neutrons bounce around at incredible speeds until some eventually ...

PHILADELPHIA—In the steep hills above the Schuylkill River, across the street from a famous cheesesteak place and at the end of a quiet block, sits a typical Philadelphia rowhouse: narrow brick, front ...

FARMINGDALE, N.Y. – The Ryder Cup is underway, and Americans brought every ounce of energy before sunrise. With the first tee time slated for 7:10 a.m., fans walked from the Farmingdale Long Island ...

Mathematical quirks of our universe have led some cosmologists to wonder whether the cosmos was actually born in a black hole. Parallels in the physics of the universe and that of black holes have led ...