SpaceX can land its rockets in The Bahamas again — and will do so very soon, if all goes according to plan. On Tuesday (Feb. 17), the Civil Aviation Authority

This article was originally published at The Conversation. The publication contributed the article to Space.com’s Expert Voices: Op-Ed & Insights. Last year, astronomers were fascinated by a runaway asteroid passing

Arguably, the second most important part of your camera setup, beyond the best camera body, is the lens. We have tested and recommend the best lenses for astrophotography, but oftentimes,