1+ day, 3+ hour ago   (336+ words) Scientists from the German Aerospace Center’s Institute of Space Research reported Thursday that Mercury’s shrinkage may be 30% greater than previously believed — a loss in diameter of as much as 14 miles (23 kilometers). That’s significant for a planet barely 3,000 miles (4,900 kilometers) across....

1+ week, 4+ day ago   (363+ words) The linked European and Japanese spacecraft separated as planned from their cruiser, but controllers had to wait two anxious hours to receive confirmation via radio signals. The crucial operation was broadcast from the European Space Agency’s control center in Germany,…...

1+ week, 4+ day ago   (383+ words) The spinning, meandering decagon appears to be even bigger and more unstable than the hexagon of clouds around Saturn’s north pole that was spied by NASA’s twin Voyagers in the 1980s, the Spanish-led team reported Wednesday. This new jet stream formation…...

1+ mon, 1+ day ago   (606+ words) Scientists reported Wednesday on the radiation-shielding vest worn around the moon by a female test dummy in 2022. No one was aboard that Artemis I debut flight, which paved the way for humanity’s long-awaited return to the moon in April by…...