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The world's biggest COVID-19 vaccine study got underway Monday with the first of 30,000 planned volunteers helping to test shots created by the U.S. government -- one of several candidates in the final stretch of the global vaccine race. There's still no guarantee that the…

More than one million people in Phnom Penh face the risk of increased flooding and loss of livelihoods as wetlands in the Cambodian capital are destroyed to build apartments and industries, human rights groups warned on Monday. Developments - including the ING City township - will…

Scientists warn record Siberian temperatures and the rapid melting of the Arctic sea ice along the Russian coast indicate that climate change is occurring and may be irreversible. Siberia, famous for its bitterly cold weather, has been experiencing a tropical heat wave, with temperatures reaching a…

Wildfires continue to burn in parts of Siberia this summer as a heatwave has continued to spread in areas north of the Arctic Circle.The World Metrological Organization (WMO) has raised the alarm, saying official figures show record warming in the Arctic."In general, the Arctic is…

Russian scientists are digging out fragments of a well-preserved woolly mammoth skeleton found by reindeer herders a few days ago at a lake in northern Siberia.The herders initially found parts of the animal’s skull, lower jaw, several ribs and foot fragments with sinews still intact…

U.S. President Donald Trump on Friday signed four executive orders aimed at lowering the prices Americans pay for prescription drugs, as he faces an uphill reelection battle and criticism over his handling of the coronavirus pandemic. Trump has previously proposed most of the changes made by…

A few weeks ago researchers at Oxford University announced promising results from early trials of their version of a COVID-19 vaccine. In early trial results on just over 1,000 volunteers, the vaccine appeared to be safe and triggered an immune response. VOA spoke with one…

As he visited a London medical center to promote a flu immunization program Friday, British Prime Minister Boris Johnson referred to opponents of vaccinations as "nuts."  Johnson made the off-hand comment as he chatted with nurses about the importance of a widespread flu vaccination plan…

The U.N. weather agency warned Friday that average temperatures in Siberia were 10 degrees Celsius (18 Fahrenheit) above average last month, a spate of exceptional heat that has fanned devastating fires in the Arctic Circle and contributed to a rapid depletion in ice sea off…

Three countries launched missions officially kicking off the summer space race to Mars.  A satellite snaps pictures of the sun in ways Earth-based cameras can’t.  And the comet NASA calls a “natural firework” streaks the skies again.  VOA’s Arash Arabasadi brings us The Week in Space.Produced by: Arash Arabasadi ...

An unmanned spacecraft blasted off Thursday on a yearlong journey to Mars, beginning one of China’s most ambitious space missions to date.The Tianwen-1 lifted off from the Wenchang Spacecraft Launch site on China’s southern Hainan Island aboard a Long March 5 rocket as hundreds of…

One of the great mysteries of the coronavirus is how quickly it rocketed around the world.  It first flared in central China and, within three months, was on every continent but Antarctica, shutting down daily life for millions. Behind the rapid spread was something that…

An unmanned spacecraft blasted off Thursday on a yearlong journey to Mars, beginning one of China’s most ambitious space missions to date.The Tianwen-1 lifted off from the Wenchang Spacecraft Launch site on China’s southern Hainan Island aboard a Long March 5 rocket as hundreds of…

President Donald Trump has announced the U.S. government will provide an additional $5 billion in aid, equipment and training to the nation’s nursing homes, many of which are hot spots in the coronavirus pandemic.He said COVID-19, the disease caused by the coronavirus, poses "the greatest…

The U.S. government will pay $1.95 billion to American drug maker Pfizer and German biotech company BioNTech SE for 100 million doses of a COVID-19 vaccine, if it proves to be safe and effective. The companies said Wednesday they finalized a deal with the U.S. Department…

Laboratories across the U.S. are buckling under a surge of coronavirus tests, creating long processing delays that experts say are actually undercutting the pandemic response.With the U.S. tally of infections at 3.9 million Wednesday and new cases surging, the bottlenecks are creating problems for workers…

The European Southern Observatory on Wednesday released the first image ever captured by a telescope of multiple planets orbiting around a sunlike star.In a statement, the ESO said the image was taken by its Extremely Large Telescope in Chile’s Atacama Desert.This image from the European…

COVID-19 tests that take an hour or less and can be done at doctors’ offices, workplaces, or even at home are under development. They could have a big impact on the course of the pandemic in the United States, where long lines for tests and long…

COVID-19 tests that take an hour or less and can be done at doctors’ offices, workplaces, or even at home are under development. They could have a big impact on the course of the pandemic in the United States, where long lines for tests and long…

A new study indicates that the accelerated melting of Arctic permafrost could release as much as 40 billion tons of carbon into the atmosphere not previously accounted for in global emissions estimates.  Permafrost is the thick layer of soil in the world's Arctic and Antarctic…

A study of the Arctic says polar bears are one of the most threatened species on earth because of melting sea ice caused by climate change, and without aggressive steps, the animals could be extinct by the end of the century. The University of Toronto study, published Monday in the journal Nature Climate Change, says that polar bears rely on sea ice to…

U.S. space agency astronauts Bob Behnken and Chris Cassidy Tuesday floated out of the International Space Station (ISS) on their fourth and final spacewalk to complete the upgrade of the station’s power supply system.Tuesday’s spacewalk is the fourth for the astronauts in under a month,…