A distant 'exomoon' the size of Jupiter is changing how we think about the cosmos.

Have astronomers observed the first exomoon, or have they spotted a weird object that could challenge the very concept of ...

Astronomers detected a strong 170-day signal suggesting a Jupiter-mass object orbits the brown dwarf CD-35 2722 B. The candidate could be the first convincing exomoon found beyond our Solar System, ...

Observations made with the European Southern Observatory’s Very Large Telescope (ESO’s VLT) have revealed evidence for a moon ...

Astronomers directly imaged a Jupiter-mass object orbiting a brown dwarf 72 light-years away, making it the strongest candidate yet for the first known exomoon.

This video explores the key characteristics of each planet within our solar system. Suitable for teaching science at KS1 and ...

Astronomers have discovered a rare planetary system 71 light-years away, where a Jupiter-sized world orbits a brown dwarf, ...

While life on Mars (and Venus) has long been an obsession for those wondering if we're alone, there are other places in our solar system that could support life in some form.

Moons are natural satellites that rotate around planets or asteroids. They come in many shapes, sizes and types. Larger moons are spherical, but others can have an irregular shape or texture. Although ...