Deep under the ice in West Antarctica, a massive reservoir of groundwater may help to drive ice from the interior of the continent to the ocean, scientists reported this week.
Why it matters: Determining how fast-flowing streams of ice work would allow researchers to better understand how ice melt in Antarctica contributes to sea level rise.
Displaced by war, separated from family and far from home, six students from Ukraine are competing in the world's largest science fair.
Details: This week, the students will participate virtually alongside more than 1,750 other finalists in the Regeneron International Science and Engineering Fair (ISEF).
SpaceX ferried three U.S. astronauts and one German one from the International Space Station to Earth on Friday with a splashdown in the Gulf of Mexico.
Why it matters: Just hours after bringing the astronauts back to the planet, SpaceX launched 53 new Starlink internet satellites into orbit from NASA's Kennedy Space Center in Florida.