Tag Archives: Cosmology

Our view of black holes may change … again

After decades’ worth of mystery, it feels as if physicists are finally closing in on the nature of black holes, thanks to Nobel-winning breakthroughs like the first detections of black hole mergers at the Laser Interferometer Gravitational-wave Observatory. But Columbia University … Continue reading

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Number crunchers are on the trail of dark energy

Big data just might give astronomers a better grip on the answer to one of the biggest questions in physics: Exactly what’s behind the mysterious acceleration in the expansion rate of the universe, also known as dark energy? And that … Continue reading

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Stephen Hawking’s ‘Final Theory’ gets published

Weeks after the death of British physicist Stephen Hawking, his final research paper on the nature of our universe and its place in the wider multiverse was published today in the Journal of High-Energy Physics. Now it’s up to his co-author, … Continue reading

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Even after death, Stephen Hawking stirs up a fuss

The ashes of the late British physicist Stephen Hawking will get a fitting resting place in Westminster Abbey, near the graves of Isaac Newton and Charles Darwin. But you could argue that the true monuments to Hawking’s memory are his books … Continue reading

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Scientists say they’ve detected birth of first stars

Astronomers have detected radio waves from a time within 180 million years of the Big Bang, and they say they see signs of what may be the first stars to coalesce in the infant universe. The detection was made using … Continue reading

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Cosmic mappers win share of glitzy spotlight

This year’s Breakthrough Prizes, cast as the “Oscars of Science,” are going to genetic engineers, disease fighters, math whizzes — and the scientists on the cosmos-mapping team behind the Wilkinson Microwave Anisotropy Probe, or WMAP. Today’s award of $22 million in prizes is … Continue reading

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This galaxy is made of 99.99% dark matter

About 85 percent of the mass of the universe consists of mysterious stuff known as dark matter, but a galaxy called Dragonfly 44 appears to be even darker: 99.99 percent dark, according to newly published findings. Dragonfly 44, which lies about … Continue reading

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