Hubble Hooks a One-Arm Galaxy
NGC 4618 was discovered on April 9, 1787, by the German-British astronomer William Herschel, who also discovered Uranus in 1781. Only a year before discovering NGC 4618, Herschel theorized that…
Universe’s Expansion May Not Be The Same In All Directions
One of the fundamental ideas of cosmology is that everything looks the same in all directions if you look over large enough distances. A new study using data from NASA’s…
#NASAatHome – Let NASA Bring the Universe to Your Home
NASA’s new Internet and social media special, NASA at Home, will show and engage you in the agency’s discoveries, research, and exploration from around the world and across the universe…
Hubble Finds Best Evidence for Elusive Mid-Sized Black Hole
Astronomers have found the best evidence for the perpetrator of a cosmic homicide: a black hole of an elusive class known as “intermediate-mass,” which betrayed its existence by tearing apart…
Imagining Apollo 13 on the Lunar Surface
Apollo 13 launched on April 11, 1970, on a journey to become the third crew to land on the Moon. The crew never made it. The mission became known as…