Astronomers have discovered a tiny, ghostly galaxy in a remote corner of the universe, likely a cosmic castaway flung from ...

Monday is the first day of Fall for us in the northern hemisphere. It is the first day where there will be more darkness than ...

An international team led by the University of Geneva (UNIGE), including scientists from the National Centre of Competence in Research PlanetS, the University of Warwick, and the Canary Islands ...

The Event Horizon Telescope (EHT) collaboration, with a substantial contribution from the Max Planck Institute for Radio Astronomy (MPIfR), has unveiled new, detailed images of the supermassive black ...

An “Einstein Cross” is a rarely seen cosmic configuration, in which the light from a distant galaxy is bent by the gravity of ...

At just 25, Cecilia Payne-Gaposchkin applied quantum physics to a treasure trove of astronomical observations to show that stars are mostly hydrogen and helium.

Travel the universe from your seat with our picks from the annual ZWO Astronomy Photographer of the Year competition.

Dark energy —the term used to describe whatever is causing the universe to expand at an increasing rate—is one of the ...

The winners of the 2025 ZWO Astronomy Photographer of the Year Award have been revealed, showcasing a spectacular selection ...

A Chilean astronomer has become dedicated to battling light pollution in the Atacama Desert and preserve what is considered ...

Gravitational-wave astronomy has exploded since 2015, capturing hundreds of black hole and neutron star collisions. With ever ...