Astronomers investigate supermassive black hole in the radio galaxy PKS 2251+11 April 25, 2019 Astronomers Astronomy black hole black holes Galaxies Latest space news light years nasa radio galaxy radio galaxy PKS radio galaxy PKS 2251+11 Science space Space Exploration +
Researchers suggest LISA should be able to see ultralight bosons near supermassive black holes April 24, 2019 Astronomy black holes Latest space news Science Space Exploration Space Exploration News +