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By Leah Crane The motion of stars has helped prove Einstein correct againUPI / Alamy Even in some of the most extreme areas in the universe, Albert Einstein’s theory of general relativity seems to hold up. A test of a key tenet of general relativity using three stars has shown that all objects fall the…

weekly newsletter on Monday, the president said: "While we would prefer to avoid the need for any legal action against government, we should accept that citizens who are unhappy with whatever action that government has decided on implementing have a right to approach our courts for any form of relief they seek."This is a normal…

A nurse administers a coronavirus test. | Ted S. Warren/AP Photo A half-dozen states have announced they’re building their own apps to pinpoint the spread of coronavirus so they won’t have to rely on similar efforts from distrusted big tech firms. So far, it’s not going well. North Dakota is getting spotty data from cell…

Tensions have ratcheted up between the United States and China as they have traded barbs over the origin of the pandemic that has killed 300 000 people.Trump has for weeks accused China of concealing the true scale of the outbreak, which first appeared in late 2019 in the Chinese city of Wuhan, thus allowing it…

Jenny Solpietro had been doing well with her exercise routine, getting out for regular runs and practicing martial arts on a consistent basis. She’d been eating well and tracking her calories, too, feeling good after what had been a tough couple of years because of injury and job stress. Then the coronavirus pandemic hit.“I have…