Before a space telescope ever reaches orbit, and long after satellites are up there, NASA has another way to do frontier science: high-altitude scientific balloons. These balloons can loft instruments ...
It’s a big universe out there—13.8 billion years old, full of hundreds of billions of star-and-planet-packed galaxies and, out past the limits of our sight, perhaps infinite in all directions. But as ...
After nearly three months in orbit, China’s Shenzhou-21 crew is accelerating its scientific agenda aboard the Tiangong space station, engaging in a range of experiments that span robotics, biomedicine ...
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