This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Last month when scientists announced new ...

As the Large Magellanic Cloud drifts closer to the Milky Way, its newly discovered black hole may one day encounter Sagittarius A at our galaxy’s core. This video explores how black holes merge, how ...

Billions of light years away in a remote part of the universe, two neutron stars – the ultradense remnants of dead stars – collided. The catastropic cosmic event sent light and particles, including a ...

The James Webb Space Telescope has delivered a new kind of galactic portrait, revealing a luminous thread of gas and newborn stars stretching between two small, colliding galaxies. The image turns a ...

Using early data from the European Space Agency’s Euclid space telescope, astronomers have analyzed over one million galaxies to test a long-standing idea in astrophysics: that galaxy mergers help ...