Astronomy

Recent results from a pulsar timing array, which uses dead stars to hunt for gravitational waves, has scientists speculating about cosmic strings and primordial black holes

Large galaxies are thought to form gradually, across billions of years of cosmic time. So why do astronomers keep finding them in the youthful early universe?

A new analysis of light and gravitational waves from colliding neutron stars helps reveal what’s inside these ultradense objects

The enigmatic origins of chondrules—tiny inclusions in most meteorites—may be revealed at last, thanks in part to pristine material returned to Earth from asteroid Ryugu

Astrophysicists now have enough black-hole mergers to map their frequency over the cosmos’s history

Strange bodies from beyond the solar system have defied predictions

Pictures created from old observations show the void’s stormy evolution over the past decade

A much smaller and more reproducible version of LIGO could transform gravitational-wave astronomy

Space observations are poised to reveal more about the centre of one of the Universe’s most enigmatic objects

An unprecedented signal from unevenly sized objects gives astronomers rare insight into how black holes spin

A flare predicted for this spring could confirm the object is indeed two monstrous black holes coming together

Gravitational waves attributed to the collision of two neutron stars could have been produced by something much stranger