Great Observatories program

January 14, 2019

Astronomers foresee long future for Hubble

SEATTLE — Despite a recent problem with one of its instruments, managers of NASA’s Hubble Space Telescope are confident that the mission can continue to operate […]
November 2, 2018

Astronomers Find Strong Evidence There is a Supermassive Black Hole at the Center of Our Galaxy

Astronomers watched as gas approached 30 percent the speed of light during the most detailed observation ever made of material orbiting so close to a black […]