Astronomers might be hunting for alien signals in all the wrong places. A new ...

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously large black holes” might be used by alien civilisations, and what makes the ...

The hunt for intelligent life beyond Earth has quietly entered a more exacting phase, and one small, cool star has become a proving ground for how serious that search can be. TRAPPIST-1, a dim red ...