Astronomers detected a strong 170-day signal suggesting a Jupiter-mass object orbits the brown dwarf CD-35 2722 B. The ...

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

The object orbits a brown dwarf that orbits a star, and astronomers aren’t sure if it’s a planet, a moon — or something else ...

Credit: ESO/M. Kornmesser What makes a moon a moon? To be a satellite, something only needs to orbit something else, which ...

A shattered asteroid may have unleashed a long-lasting cosmic barrage that left scars across the inner solar system and ...

(Ratnakorn Piyasirisorost/Moment/Getty Images) In the beginning, there was moosh. At the dawn of the Solar System, young ...

Kevin Hoy, a PhD student affiliated with Universidad Diego Portales and the European Southern Observatory in Chile, has found ...

Eulalia asteroid bombardment: a new study identifies the Eulalia asteroid family as the source of a third wave of impacts ...

The moon is 384,000 kilometers (239,000 miles) away from Earth, but one of the best places to study its surface is much closer to home. Western planetary scientist Catherine Neish and PhD candidate ...

A massive asteroid that broke apart around 800 million years ago may have sent a huge number of rocky fragments towards Earth ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

A new study based on satellite observations of a brown dwarf orbiting a star suggests the possible first detection of an exomoon. Researchers are debating its classification as an 'exoplanet' or ...