LIGO

No light can escape a black hole, but it can be bent around it, which means a black hole's

How do you tell one black hole from another?

Southern spiral galaxy NGC 300, imaged using the Wide Field Imager (WFI) at ESO’s La Silla Observatory in Chile. Do spiral galaxies like these have populations of black holes lurking on the periphery? Credit: ESO

Do black holes lurk on galaxy edges?

An artist’s impression of two black holes merging, like those detected by the LIGO. Credit: LIGO/Caltech/MIT/Sonoma State (Aurore Simonnet)

Gravitational waves detected for third time

An artist's impression of two binary black holes in orbit around each other.
Credit: The SXS (Simulating eXtreme Spacetimes)

LIGO black holes born from a single star?

An artist's impression of two binary black holes in orbit around each other. Credit: The SXS (Simulating eXtreme Spacetimes)

Scientists detect gravitational waves