Quasars, the brightest objects in the cosmos, could act as cosmic signposts, directing astronomers to elusive pairs of supermassive black holes. New research suggests that quasars — the luminous ...

Space might seem calm when gazing up at the night sky, but invisible waves ripple continuously through the universe, bending space and time. These waves, known as gravitational waves, carry crucial ...

How are stars born and how do they die? -- How do we know that black holes exist? -- Who is the strangest in the cosmic zoo? -- How far is it to the stars and will we ever be able to travel to them? - ...

Astronomy is a never-ending wonder: planets and stars, comets, black holes, supernovas, quasars, pulsars and much more. And above all, the miracle of life. This exciting travel questions the place of ...

"Targeted searches will be up to seven times more likely to find gravitational waves from a supermassive black hole binary in a quasar than in a random massive galaxy." When you purchase through links ...