Astrophysicists have observed our central supermassive black hole. They found the accretion disk is constantly emitting flares without periods of rest. Shorter, faint flares and longer, bright flares ...

An asteroid that could level a city now has a 3.1 percent chance of striking Earth in 2032, according to NASA data released ...

New black-and-white pictures have emerged of 2024 YR4, the 'city killer' asteroid that has a 1-in-48 chance of smashing into ...

The large space rock, named 2024 YR4, could destroy a large city and kill millions of people if it smashed into the Earth in ...