Today's Top Science Story

Car-sized prehistoric South American turtle was built for battle

WASHINGTON (Reuters) - One of the largest turtles that ever lived prowled the lakes and rivers of northern South America from about 13 million years ago to 7 million years ago - and this car-sized freshwater beast was built for battle. Read More


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Oddly shaped celestial body Arrokoth sheds light on planet formation

WASHINGTON (Reuters) - A vaguely hourglass-shaped icy object called Arrokoth residing in the far reaches of the solar system - the most distant body ever explored by a spacecraft - is giving scientists intriguing clues about the formation of the planets including Earth. More »


'Ghost' ancestors: African DNA study detects mysterious human species

WASHINGTON (Reuters) - Scientists examining the genomes of West Africans have detected signs that a mysterious extinct human species interbred with our own species tens of thousands of years ago in Africa, the latest evidence of humankind's complicated genetic ancestry. More »


Novacyt biotech company says winning race for high-speed virus test

PARIS (Reuters) - Franco-British biotech company Novacyt says it can offer a coronavirus test that is faster than rival methods by focusing on a narrow sequence of DNA coding, as it fights stiff competition to turn the outbreak into a business opportunity. More »


Solar probe embarks on unprecedented mission to map sun's polar regions

WASHINGTON (Reuters) - A new probe built by NASA and the European Space Agency set off on a blazing hot journey to the sun on Sunday to take the first close-up look at the star's polar regions, a mission expected to yield insight into how solar radiant energy affects Earth. More »


White House calls for biggest NASA budget in decades to reach the moon, Mars

WASHINGTON (Reuters) - The White House on Monday asked Congress for $25.2 billion for NASA in 2021, the agency's biggest budget in decades, calling for steady increases over five years to meet President Donald Trump's goal of landing astronauts on the moon and Mars. More »


OneWeb launches 34 satellites from Kazakh cosmodrome in global internet push

MOSCOW (Reuters) - The UK firm OneWeb launched 34 satellites from Baikonur cosmodrome in Kazakhstan early on Friday as part of its effort to provide global high-speed internet access using satellite communications by 2021. More »


Boeing's botched Starliner test flirted with 'catastrophic' failure: NASA panel

(Reuters) - Boeing narrowly missed a "catastrophic failure" during its December flight test of an unmanned space taxi that was cut short by an unrelated problem, a NASA safety review panel said Thursday, recommending that the agency examine Boeing's software verification process before letting it fly humans to space. More »


NASA astronaut Koch returns to Earth after record space mission

(Reuters) - A capsule carrying a crew of three from the International Space Station, including record-setting United States astronaut Christina Koch, landed in Kazakhstan on Thursday, a live feed by Russian space agency Roscosmos showed. More »


Fireflies threatened globally, with light pollution a glaring problem

WASHINGTON (Reuters) - Fireflies are under threat globally, with familiar hazards such as habitat loss and pesticides compounded by another peril: humankind's ubiquitous nighttime artificial light that plays havoc with their balletic nocturnal courtship, scientists said. More »


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