Researchers for half a century have tried — and failed — to use the motion of stars moving across the sky to discover planets that lie beyond the solar system. Now a team has finally used the method, ...

Astronomers are testing a quieter way of searching for moons beyond the solar system, using careful measurements of motion rather than changes in ligh.

Have scientists finally confirmed the existence of the first exomoon? This is what a study released on the preprint server arXiv, and accepted for publication in Astronomy & Astrophysics, hopes to ...

A new search engine will soon turn your night sky images into powerful research data and identify the twinkling objects in them with just the click of a button. The Astrometry.net database will hunt ...

On the surface, it is a call to action for the world's astronomers: a global 'training exercise' to get better at tracking a fuzzy, unpredictable comet. But online, a different, more terrifying theory ...