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Giant black holes and their eating habits
Astrophysicists have scrutinized X-rays from accretion disks surrounding eight black holes and confirmed differences between black hole observation and theory.
June 8, 2011
Dramatic solar flare June 7, 2011. Aurora alert
On June 7, 2011, a solar flare caused a large cloud of particles on the sun to mushroom up, then fall back, looking as if it covered almost half the solar surface.
June 8, 2011
Voyager leaving sun for interstellar space
NASA's Voyager mission is headed where no spacecraft has gone before, beyond the space bubble that contains our solar system.
June 6, 2011
Best image yet of Milky Way twin
Astronomers say NGC 6744 - a beautiful spiral galaxy - is a twin to our home galaxy, the Milky Way. If so, we must have a similarly lovely home in space.
June 1, 2011
Most distant object in the universe has a new candidate
Light from exploding star in early universe could be over 13.14 billion light-years away and might be the most distant object ever found.
May 28, 2011
Do white holes exist? Have we seen one?
Are some gamma-ray bursts - such as GRB 060614 - a sign that white holes exist after all?
May 27, 2011
Mars not as Earthlike as we thought?
We think of Mars as being Earthlike. Yet Earth formed slowly, while Mars might have formed rapidly to become the runt of the planetary litter.
May 26, 2011
VFTS 682: A brilliant but solitary superstar
VFTS 682 is a star three million times brighter than the sun has a mysterious origin and challenges astronomers' understanding of star formation.
May 25, 2011
Milky Way is special for its bright, nearby satellite galaxies
Among galaxies whose properties resemble our Milky Way, our home galaxy is rare for having bright and nearby satellites, the Large and Small Magellanic Clouds.
May 24, 2011
Photo ambassadors for ESO observatories
The European Southern Observatory designated six Photo Ambassadors, who share their dazzling view with the world from their observatories.
May 22, 2011
