PHYS.Org: Extragalactic positron-annihilation hotspots might mean Milky Way produces far more positrons than thought

Exposure to trace metals and “forever chemicals” may be prematurely aging dolphins, raising concerns about both marine pollution and human health impacts.  Metals such as zinc and copper can wind up in the ocean from industrial waste and mining. So can per- and polyfluoroalkyl substances, or PFAS, which are often called forever chemicals because of how long they persist…

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MTN Group has reaffirmed its commitment to advancing digital skills development across Africa, highlighting a series oof education and technology initiatives which are aimed at equipping young people with the capabilities needed to participate in the continent’s rapidly expanding digital economy. The announcement coincides with the World Youth Skills Day, which is observed annually on…

NASA is gearing up for its long-awaited return to the lunar surface for the first time since Apollo 17 in 1972. This is scheduled to take place in 2028 with Artemis IV, which will launch four astronauts to lunar orbit using the Space Launch System (SLS) and Orion spacecraft. The Orion and its crew will…

To mark the 250th anniversary of the United States, NASA has released four spectacular images of deep space from its Chandra X-ray Observatory, each presented in patriotic shades of red, white, and blue. Alongside the images, the agency also unveiled three new sonifications, which transform astronomical observations into sound, offering another way to experience the…