From the asteroid that wiped out the dinosaurs to one that nearly hit Moscow, space rocks have shaped our history. Could we ...

REx sample return capsule contained rock from the asteroid Bennu. NASA/Keegan Barber Mary Magnuson, Collecting asteroid samples China’s Tianwen-2 asteroid sample return mission is set to launch this ...

While originally conceived as an in-house job, NASA has since realized that its version of the plan would cost at least $7 ...

White House takes aim at several projects failing to meet cost and schedule estimates—and several more that aren’t.