SpaceThe 5 biggest discoveries from the hunt for gravitational waves Detecting gravitational waves has given us a new way to observe the universe by listening to ripples in space-time. Here are five of the biggest finds from LIGO News
SpaceWhen is a black hole not a black hole? When it’s a boson star Astronomers are confident they know what the mysterious massive object at the Milky Way’s heart is – but our first direct view this year could bring a shock Features