Sending an object to another star is still the stuff of science fiction. But some concrete missions could get us…
During the Space Race, scientists in both the United States and the Soviet Union investigated the concept of ion propulsion.…
Ion thrusters have played second fiddle to chemical rockets for most of the history of space exploration. Part of that…
A new analysis indicates that 3% of Starlink satellites have failed since they were launched to orbit, which could mean…
Despite humanity's current struggle against the novel coronavirus, and despite it taking up most of our attention, other threats still…