SpaceX introduced a new Falcon 9 rocket into its fleet on Sunday (Nov. 23), with he launch of 28 satellites for its Starlink megaconstellation in low Earth orbit. The launch,

Every week, Space.com delivers the latest discoveries, launches, and cosmic curiosities from across the universe. From groundbreaking research aboard the International Space Station to dazzling new images from the James

This article was originally published at The Conversation. The publication contributed the article to Space.com’s Expert Voices: Op-Ed & Insights. During the 1240s, Richard Fishacre, a Dominican friar at Oxford

What happens when humanity finally builds a civilization on another planet, and immediately repeats its old mistakes? That question drives ‘The Second World’, the sharp, satirical debut from writer Jake

Saturn’s rings will appear to have disappeared if you catch a glimpse of the planet through the eyepiece of a telescope on the night of Nov. 23 — but don’t

In 1919, physicist Theodor Kaluza hypothesized that extra dimensions might solve some outstanding problems in physics. And while we haven’t found any evidence yet for anything outside our normal four-dimensional