Stellar streams are beautiful structures that trace the dark matter distribution of a galaxy. Today’s paper looks beyond our Milky Way for streams in external galaxies.
A powerful new tool combines data from Gaia and the Hubble Space Telescope and accurately measures how stars move on the plane of the sky. Find out how it’s done in today’s Astrobite!
If you answer no, then you might be surprised! This article investigates how astronomers wrote more papers during COVID.
Our planet is already blanketed by space debris. As small commercial satellites rapidly multiply, will humans block ourselves from space?
Astronomers find free-floating planets and where they came from.