A Star Trek–inspired idea by Miguel Alcubierre kicked off decades of theory and experiments as scientists pursue plausible ...

Astronomers are uncovering vast, wheel-shaped structures in the cosmos that challenge long-held ideas about how galaxies grow and evolve. From a nearby spiral that unfurls like a cosmic pinwheel to a ...

On Dec. 14, 1962, NASA's Mariner 2 spacecraft flew by Venus. [‘On This Day in Space’ Video Series on Space.com] The Mariner 2 ...

"The natural question that comes up is: how many more space telescopes will be affected when all these constellations are ...

Astronomers have long been concerned about reflections from satellites showing up in images taken by telescopes and other ...

Critics argue the satellites, billed as a way to harness solar energy at night, could hamper sky observations and may pose a ...

Almost every image that will be taken by future space observatories in low-Earth orbit could be tainted due to light contamination from satellites. That is according to a new analysis from researchers ...

A new NASA-led study found that the increasing number of satellites in low-Earth orbit could ruin up to 96% of images from ...

Every week, Space.com delivers the latest discoveries, launches, and cosmic curiosities from across the universe. From ...

After 43 years with Astronomy, including 23 years as Editor-in-Chief, David J. Eicher is transitioning to a new role as the magazine’s Editor Emeritus. Eicher is one of the most widely recognized ...

A Charleston astronomy professor answers astronomy students' questions about worm holes, black holes, colonizing Mars, outer space's many strange odors and more, ...