Centuries before other galaxies were known to exist, astronomers called them “spiral nebulas.” Today the defunct term still ...

A colossal black hole 10 billion light-years away has been caught devouring one of the universe’s biggest stars, unleashing a ...

The most massive stars in the universe are destined to explode as brilliant supernova before collapsing into black holes. Yet ...

Active galactic nucleus (AGN) black hole 10 billion light-years away, J2245+3743, made the biggest and brightest flare ever ...

Astronomers at the Palomar Observatory of the California Institute of Technology have recorded the most powerful radiation ...

How do we know the speed of light – and why does it have a speed limit at all? Leah Crane explores the history of one of the ...

Astronomers have recorded the most luminous flare ever emitted by a black hole—an event so extreme it briefly outshone the ...

Scientists have spotted the brightest flare yet from a supermassive black hole that shines with the light of 10 trillion suns ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

A recent detection from JWST is being widely discussed. The discoverers suggest that it might be an incredible record-breaker: it could be the oldest galaxy we have ever seen. This is yet to be ...

Scientists have released a new study on the arXiv preprint server that catalogs the universe by mapping huge clusters of galaxies. These clusters are some of the largest known objects in the ...

Scientists have released a new study that catalogues the universe by mapping huge clusters of galaxies. These clusters are some of the largest known objects in the universe — and they can help ...