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How astronomers used gravitational lensing, a space-time trick predicted by Einstein, to detect a black hole measuring 30 billion times the mass of the sun.

Australian energy giant ditches US plant as Trump attacks green power Why a retirement age of 74 is a bad idea, according to science Discovery in remote bushland prompts renewed calls to combat ...

These waves are created when massive objects like black holes crash into one another. In the GW231123 event, two huge black holes—about 100 and 140 times the mass of the Sun—combined into one.

Astrophysicists have discovered the largest known merger of two black holes to form a larger single hole about 225 times the mass of the sun. The violent collision between the spinning objects ...

At 225 solar masses, this gargantuan merger of two black holes challenges our thinking on these famously elusive objects.

At 225 solar masses, this gargantuan merger of two black holes challenges our thinking on these famously elusive objects.

Lightning might not strike twice, but black holes apparently do. An international group of researchers led by Tel Aviv University astronomers observed a flare caused when a star falls onto a black ...

A team of researchers has unveiled a new method for analyzing gravitational-wave signals that could reshape how we understand cosmic collisions between black holes. Credit: Stock Scientists have ...

Black hole and Big Bang singularities break our best theory of gravity. A trilogy of theorems hints that physicists must go to the ends of space and time to find a fix.

The site of an epic head-on collision between two galaxies, it could harbor the secrets to how the heaviest black holes in the universe, supermassive black holes, are born and reach their ...