Astronomers have used new capabilities of the National Science Foundation’s Karl G. Jansky Very Large Array (VLA) to open a whole new realm of research into how galaxies evolve and interact with their ...

The Hubble Space Telescope has captured the best picture yet of a high-speed comet visiting our solar system from another star. A spectacular trio of merging galaxies in the constellation Boötes takes ...

Light-years make measuring astronomical distances much more manageable. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A light-year is a ...

Hi folks, tune in every week of 2023 for the best in astronomy from Astronomy Editor Dave Eicher, brought to you by Celestron. Dave’s weekly video series will cover all the latest sky events, ...

All fundamental forces operating on astronomical scales exhibit a decrease in strength with increasing distance. A hypothetical force, decreasing with distance slower than the inverse square law, ...

NASA's Hubble Space Telescope spotted a blazing heat from a bright, lonely spiral galaxy called UGC 9391. But even though it lacks a companion, it serves as a guiding light for every astronomer who is ...

Brown dwarfs are sometimes called failed stars. They’re stars’ dim, low-mass siblings and they fade in brightness over time. They’re fascinating to astronomers for a variety of reasons, but much about ...