Quasars acting as strong gravitational lenses are among the rarest finds in astronomy. Out of … “Machine Learning Discovers Quasars Acting as Lenses”

Our solar system was thought to be moving at about 515,000 mph (828,000 kph) through … “Our solar system is moving 3 times faster than expected”

A black hole is a region of space where gravity is so strong that not even light … “Could black hole shadows reveal new theories of gravity?”