What Comes After the International Space Station?

From the outside, the design of Axiom’s space station looks remarkably similar to the ISS. The cylindrical modules are about 15 meters in diameter and are connected to the station like giant Tinker Toys. The reason for this, says Suffredini, is to take advantage of...

NASA’s OSIRIS-REx Is About to Touch an Asteroid

Once Bennu has its sample, it will return to an orbit around the asteroid so it can tag along while the rock makes its annual journey around the sun. Bennu is the smallest object ever orbited by a spacecraft, and keeping a stable orbit around something so small comes...