See 10 of the best Milky Way photos from all over the world. This year, the entries include the 1st Milky Way image from space by astronaut Don Pettit.
Scientists have found humpback whales and calves swimming in cold waters, far from traditional breeding grounds. Greater awareness could help protect them.
The platypus is an amazing animal with many talents. It can move underwater with its eyes closed thanks to its highly sensitive beak, among many things!
A SETI search of 1,300 stars for optical alien signals has found something odd: two fast, identical starlight pulses from a sunlike star 100 light-years away.
For the first time, astronomers have observed a pair of galaxies where one is piercing the other with intense radiation from a quasar powered by a black hole.