NASA’s Chandra Helps Confirm Evidence of Jet in Milky Way’s Black Hole

Astronomers have long sought strong evidence that Sagittarius A* (Sgr A*), the supermassive black hole at…

NASA’s Great Observatories Begin Deepest Ever Probe of the Universe

NASA's Hubble, Spitzer and Chandra space telescopes are teaming up to look deeper into the universe…

NASA’s Hubble and Chandra Find Evidence for Densest Nearby Galaxy

Astronomers using NASA's Hubble Space Telescope and Chandra X-ray Observatory and telescopes on the ground may…

Hubble Uncovers Largest Known Group of Star Clusters, Clues to Dark Matter

NASA's Hubble Space Telescope has uncovered the largest known population of globular star clusters, an estimated…

NASA Spacecraft Embarks on Historic Journey into Interstellar Space

NASA's Voyager 1 spacecraft officially is the first human-made object to venture into interstellar space. The…

NASA’s Chandra Observatory Catches Giant Black Hole Rejecting Material

Astronomers using NASA's Chandra X-ray Observatory have taken a major step in explaining why material around…

NASA’s Spitzer Telescope Celebrates 10 Years in Space

Ten years after a Delta II rocket launched NASA's Spitzer Space Telescope, lighting up the night…

Astronomers Use Hubble Images for Movies Featuring Space Slinky

Astronomers have assembled, from more than 13 years of observations from NASA's Hubble Space Telescope, a…

NASA’s Fermi Celebrates Five Years in Space, Enters Extended Mission

During its five-year primary mission, NASA's Fermi Gamma-ray Space Telescope has given astronomers an increasingly detailed…

NASA Ends Attempts to Fully Recover Kepler Spacecraft, Potential New Missions Considered

Following months of analysis and testing, the Kepler Space Telescope team is ending its attempts to…