Time travel has always fascinated us. From H.G. Wells’ Victorian machine to modern cinematic paradoxes, the idea of revisiting the past feels both irresistible and deeply unsettling. But when we move from fiction to physics, something curious happens: the future seems accessible… while the past remains stubbornly out of reach.Continue Reading

In the distant universe, there are objects so bright that they outshine entire galaxies. They are called quasars, short for quasi-stellar radio sources, and they are among the most powerful phenomena known to astronomy. A single quasar can emit more light than a trillion stars. To observers on Earth, theyContinue Reading