Discover how astronomers use stellar parallax to navigate spacecraft in deep space without relying on Earth-based beacons.

Extra stellar systems are so far away from our own that we couldn’t even hope of developing a tape measure long enough to determine how far away they really are. On the other hand, astronomers can ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. When you look at an object that's very distant from you, how well can ...

A zoomed-in view of the eruption, taken by Japan's Himawari-8 satellite at 05:40 UTC on 15 January 2022, about 100 minutes after the eruption started. Photo credit: Simon Proud / Uni Oxford, RALSpace ...

An animated height map of the Tongan eruption in January 2022, generated with data from three weather satellites. Gif: Simeon Schmauß / Japan Meteorological Agency / Korea Meteorological ...