Science

TAMPA, Fla. — Yahsat ordered a pair of low Earth orbit (LEO) satellites from Airbus amid a $1.1 billion program for its next two geostationary broadband spacecraft, the Emirati operator announced June 10. The companies said the LEO satellites would be based on Arrow, a satellite platform derived from the 150-kilogram spacecraft Airbus helped build for
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Two juvenile elephants greet each other in Samburu National Reserve in Kenya George Wittemyer Elephants may be the only animals besides humans to come up with arbitrary names for each other, according to an analysis of recordings using machine learning. The analysis found that some calls from African savannah elephants (Loxodonta africana) seem to contain
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WASHINGTON — The Space Development Agency is pushing prime contractors to line up secondary and tertiary suppliers for key satellite components amid fears of supply chain shortfalls that could delay the agency’s ambitious schedule for deploying a new proliferated architecture in low-Earth orbit. Col. Alexander Rasmussen, chief of SDA’s Tracking Layer program, said the agency
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TAMPA, Fla. —  Planet’s first hyperspectral satellite is ready for launch to help push the Earth observation operator to profitability by early next year. Tanager-1 has arrived at California’s Vandenberg Space Force Base ahead of a SpaceX rideshare mission that could take off as soon as July, the operator said June 6 amid earnings results.
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The domestication of horses began on the Eurasian steppes Lina Shatalova/iStockphoto/Ge​tty Images Ancient breeders dramatically shortened the natural generation times of horses starting about 4200 years ago, according to a genetic study of hundreds of ancient horses. This intensive breeding led to a massive expansion of those bloodlines across Eurasia within a few centuries, says
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