This week, the University of Arizona's Steward Observatory Mirror Lab began work on the sixth of seven primary mirror segments for the Giant Magellan Telescope (GMT).
When NASA's Perseverance guided itself to the surface of Mars on February 18th, it did so with the help of the same processor that powered the 1998 iMac G3.
Astronomers have determined that one of the first known black holes, Cygnus X-1, is more massive than once thought — and that could force a rethink of scientific models.
When the first two segments of NASA’s Gateway station make their way to the Moon sometime in 2024, they’ll be carried into space by a Falcon Heavy rocket.