By Beijing Aerospace Control Center personnel monitoring the transfer of moon samples from the ascent vehicle to the return vehicle of China’s Chang’e-5 probeJin Liwang/Xinhua
By , , , , , , and A waiter works at a restaurant in London, UK, on 15 DecemberREUTERS/Hannah McKay Latest coronavirus news as
By Ella Kissi-Debrah died in 2013The Ella Roberta Family Foundation A court has ruled that dirty air made a material contribution to the death of
By A student places a completed covid-19 swab into a vial at the University of Hull, UKOLI SCARFF/AFP via Getty Images As the coronavirus pandemic
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Pfizer Inc. has launched a pilot delivery program for its experimental COVID-19 vaccine in four U.S. states, after announcing last week that early data shows