Thousands of preprints have been withdrawn from the arXiv preprint server because of factual or methodological errors.Credit: Ralf Geithe/Getty Researchers have launched a database of more than 14,000 studies that
On 24 December, NASA’s Parker Solar Probe whizzed through the Sun’s atmosphere, diving closer to our star than any spacecraft ever has. It survived the fiery passage, and on 1
Matanuska Glacier north of Anchorage is one of the best spots for a more intense experience in the Alaskan wilderness. Patrick T. Fallon/AFP via Getty Images The frozen world is
Photographs by Neil Ever Osborne Text by Jessica Camille Aguirre It was after midnight in Quito when Stella de la Torre came for me, waiting under a streetlamp next to