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Exoplanet aurora is out of this world
An exoplanet like a hot Jupiter, orbiting close to its sun, would likely have an aurora up to 1,000 times brighter than one on Earth. Read more on exoplanet aurora.
July 22, 2011
See the space shuttle in photos from final flight
Photos from STS-135, the historic final flight in NASA's space shuttle program.
July 21, 2011
Bonnie Dunbar on the end of the space shuttle era
Astronaut and engineer Bonnie Dunbar, who made five shuttle flights and helped build NASA’s shuttle program, reflects on the end of an era.
July 21, 2011
Hubble Space Telescope discovers fourth moon of Pluto
As the Hubble Space Telescope worked to support NASA's New Horizons mission to Pluto, it also found a fourth moon for the dwarf planet, scientists announced today.
July 20, 2011
Southern lights seen from space
Pictures taken from the International Space Station and from Antarctica show a stunning green aurora in July 2011. Read more about southern lights.
July 20, 2011
A cosmic superbubble
Nebula LHA 120–N 44 surrounds star cluster NGC 1929, appearing as a cosmic superbubble within the Large Magellanic Cloud. Read more and see the image.
July 20, 2011
Asteroid Vesta seen in 1st Dawn image
NASA engineers estimate that Dawn orbit capture around Vesta took place around 5 UTC Saturday, July 16. This image is from 9,500 miles (15,000 kilometers) away.
July 19, 2011
NASA’s Dawn spacecraft nears asteroid Vesta
NASA's Dawn spacecraft will arrive at the main-belt asteroid Vesta tomorrow (July 15). Space scientists say the spacecraft is performing normally at this time.
July 14, 2011
Galaxy collisions not the only source of monster black hole activity
What causes a monster black hole at a galaxy's heart to turn on and begin radiating powerfully? European astronomers suggest a reason besides galaxy collisions.
July 13, 2011
Celebrate Neptune in awesome images
Today marks the completion of Neptune's first known orbit in human history. Voyager 2 gave us images of Neptune the early observers would have envied.
July 12, 2011
