The James Webb Space Telescope has discovered the oldest and most distant supernova ever seen — a stellar explosion that took place when the universe was just 1.8 billion years old. The ancient starburst was uncovered among 80 others in a patch of sky that, from our perspective on Earth, is about the width of … Read more
Since the first direct detection of the space-time ripples known as gravitational waves was announced in 2016, astronomers regularly listen for the ringing of black holes across the universe. Projects like the Laser Interferometer Gravitational-Wave Observatory (better known as LIGO) have detected almost 100 collisions between black holes (and sometimes neutron stars), which shake up … Read more
The James Webb Space Telescope (JWST) has captured a dazzling image of a star about to go supernova in a massive explosion. The picture, released by NASA on Tuesday (March 14), shows the star WR 124 in the middle of a spectacular cosmic cloud. As it goes supernova, the star, which is about 30 solar … Read more
