Spacecraft

Satellite navigation systems for lunar settlements will require local atomic clocks. Scientists are working out what time they will keep

The sun is unleashing powerful outbursts that could strike Earth, but these events are far more common—and much less worrisome—than some hyped headlines suggest

The James Webb Space Telescope is opening an exciting new chapter in the study of exoplanets and the search for life beyond Earth

Researchers are convinced the James Webb Space Telescope has glimpsed an unexpected population of galaxies in the early universe. Now they’re trying to decide what this means for our understanding of the cosmos

By releasing astronomers’ data before they’ve had a chance to analyze the information, NASA will make research less fair and equitable

Much of North America can witness a delightful astronomical event on the evening of December 7 as the moon blocks out Mars

I’ve been working on space elevators for almost 20 years, and though we still have issues to solve, we are getting closer to making them reality

Elon Musk’s Starlink and other satellite sources of light pollution and orbital debris should face an environmental review, the U.S. Government Accountability Office finds

The Orion spacecraft passed just 130 kilometers above the lunar surface during a mission-critical engine burn

An investigation by agency historian finds no evidence explicitly linking former director James Webb with anti-LGBT+ actions

We are drawn to breathtaking images of the heavens, but there is beauty in the numbers those images hold

The first flight test of the world’s most powerful rocket will send an uncrewed spacecraft to lunar orbit and back