This image, taken with ESO’s Very Large Telescope (VLT), shows the supernova remnant SNR 0509-67.5. Astronomers studying the night sky from the Southern Hemisphere have uncovered a supernova — the ...
Astronomers have discovered a strange new signal coming from an exploding star — a “chirp” that speeds up over time, similar to the signals seen when black holes collide. The unusual pattern appeared ...