NASA’s Curiosity Mars rover captured this 360-degree view of an expanse of terrain covered in surface features called polygons on June 19 and 20, 2026, the 4,930th and 4,931st Martian days or sols of the mission. The rover has found polygons several times in the past, but never so many in one place. In the
NASA’s Curiosity Mars rover captured this sand-covered hill, nicknamed “Miraflores,” estimated to be about 20 feet (6 meters) high, with its Mast Camera, or Mastcam, on June 11, 2026, the 4,923rd Martian day, or sol, of the mission. The hill was left behind when the surrounding rock eroded over time, deepening the wide valley Curiosity
On Wednesday, August 12, a total solar eclipse will be visible in parts of Greenland, Iceland, northern Russia, the Atlantic Ocean, Spain and a small corner of Portugal. NASA will broadcast the eclipse live with views from the path and interviews with experts in the field through a variety of platforms. Learn where to watch
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It’s 35°C in the shade, in the middle of Europe’s June heatwave, and Alexander Janas has just emerged from the Hohle Fels cave in southwestern Germany, where the mercury reads 9 or 10°C. “It’s wonderful to be inside,” says Janas, an archaeologist at the Senckenberg Center for Human Evolution and the Paleoenvironment in Tübingen, Germany.
Polio vaccination in Pakistan, where the wild virus continues to circulate.Credit: Arif Ali/AFP/Getty If you are under 60, the global quest to eradicate polio has been with you for most of your adult life. During that time, the natural strain of the virus, also known as wild-type polio, has been eliminated from almost all countries.