Scientists have discovered the fastest known star in the Milky Way, zipping around the supermassive black hole at the centre of our galaxy. Studying how it moves could help them better understand the black hole's mysteri

Afghan medical students in Pakistan fear being sent back home before degree is over. #BBCNews

As the US and China race to dominate artificial intelligence, Reuters correspondents Eduardo Baptista and Laurie Chen say the two countries aren't even playing the same game. On this episode of On Assignment, they take u

Five missing women feared dead after images found in Philadelphia home. #BBCNews