Galaxy Videos

• Black Holes
  Astronomy
  Astrophysics
  Galaxies
  NASA
  Space Telescopes
   
  

  Astronomers Spot Black Holes Using NASA's Chandra X-Ray Observatory

  Not even light can escape a black hole's grip, but gas falling into a black hole can heat up and become an intense source of X-rays, at temperatures up to 1,000 times hotter than the sun. Astronomers ... > more
• Sun
  Solar Flare
  Astronomy
  Stars
  Jupiter
  Black Holes
   
  

  With Precautions, Anyone Can Observe the Sun Safely

  Sun spots are cooler regions on the sun's surface held up by magnetic fields, and they can have dramatic effects on space weather, disrupting satellite communications. Astrophysicists track them with ... > more
• Nebulae
  Space Telescopes
  NASA
  Astrophysics
  Astronomy
  Space Exploration
   
  

  Physicists Spot Interstellar Shock Wave Using Spitzer Telescope

  The spirals of a "space tornado" may be the first step in the formation of a new star. The structure, observed with NASA's Spitzer infrared telescope, is a shock wave created by a jet of material ... > more
• Albert Einstein
  Space Telescopes
  Quantum Physics
  Physics
  Saturn
  Astrophysics
   
  

  Astronomers Discover Eight New Gravitational Lenses with Hubble Telescope

  Images from the Hubble telescope reveal eight new Einstein rings, joining only three others previously known. Einstein rings are pairs of galaxies, with a foreground galaxy bending the light of a ... > more
• Solar Flare
  Geomagnetic Storms
  Sun
  Northern Lights
  Atmosphere
  Astronomy
   
  

  Space Physicists and Atmospheric Scientists Can Now Predict Disruptions Caused by the Sun's Coronal Mass Ejections

  Solar activity can wreak havoc in communications systems -- particularly during coronal mass ejections, when plumes of electrically charged particles hit earth's atmosphere. Scientists can now track ... > more
• New Species
  Nature
  Endangered Animals
  Extinction
  Endangered Plants
  Mating and Breeding
   
  

  Microbiologists and Astrobiologists Help Kids Discover New Species

  Extremophiles are microbes that have adapted to extreme environments, such as Utah's Great Salt Lake. But new microorganisms can be found in everyday places, and scientists are showing school kids ... > more
• Black Holes
  Stars
  Astronomy
  Astrophysics
  Albert Einstein
  Galaxies
   
  

  Astrophysicists Discover New Details of How Stars Collapse

  A satellite called Swift is revealing that black holes have a messier birth than previously thought. Instead of being created in one instant, astrophysicists now believe after a star dies and ... > more

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