Hubble identifies unusual wrinkle in expansion rate of the universe

Over the past 30 years, the space observatory has helped scientists discover and refine that accelerating rate — as well as uncover a mysterious wrinkle that only brand-new physics may solve. Hubble has observed more than 40 galaxies that include

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Is a slow-motion royal transition underway?

Elizabeth II has only missed the State Opening of Parliament twice before in her 70-year reign, both times because she was pregnant. What is clear is that the episodes are becoming more frequent and disruptive. The Queen keeps canceling engagements

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Russian general who oversaw atrocities in Syria led cluster bomb attacks in Ukraine

Suddenly, Kiriukhina heard a whistling sound overhead. After glimpsing something out of the corner of her eye, she shouted for everyone to get down. The line was quickly drenched in blood, the air filled with screams.  Moscow had just launched

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Russian general who oversaw atrocities in Syria led cluster bomb attacks in Ukraine

Suddenly, Kiriukhina heard a whistling sound overhead. After glimpsing something out of the corner of her eye, she shouted for everyone to get down. The line was quickly drenched in blood, the air filled with screams.  Moscow had just launched

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Russian general who oversaw atrocities in Syria led cluster bomb attacks in Ukraine

Suddenly, Kiriukhina heard a whistling sound overhead. After glimpsing something out of the corner of her eye, she shouted for everyone to get down. The line was quickly drenched in blood, the air filled with screams.  Moscow had just launched

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Biden likely to arrive at his own global Covid-19 summit empty-handed

The Biden administration asked Congress in March to authorize $22.5 billion in additional Covid-19 assistance, including $5 billion for the global pandemic, but the package has been repeatedly waylaid. The Senate reached a bipartisan deal in April to approve $10

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These were the best and worst places for air quality in 2021, new report shows

Only 222 cities of the 6,475 analyzed had average air quality that met WHO’s standard. Three territories were found to have met WHO guidelines: the French territory of New Caledonia and the United States territories of Puerto Rico and the

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