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Hubble celebrates 21st anniversary with image of rose galaxies
A newly released Hubble image shows spiral galaxy twisted into bejeweled rose by companion galaxy.
April 20, 2011
Two disturbed spiral galaxies
An astronomy enthusiast's search through the archives of the European Southern Observatory revealed an astonishing image of two spiral galaxies in a tug of war.
April 20, 2011
Fireball Network deployed by NASA
NASA cameras are tracking the paths of fiery meteors with a fireball network and using that data to compute the objects' original orbits in space.
April 19, 2011
Study suggests large galaxies stopped growing 7 billion years ago
Brightest cluster galaxies (BCGs) appear not to have tripled in size, as conventional models predicted for large galaxies.
April 18, 2011
Jupiter-like worlds have shocking environments
Clues that other Jupiter-like worlds have a protective magnetosphere like Earth's is a big step in looking for zones that could support life.
April 18, 2011
Little Ice Age caused by other factors than quiet sun
Factors other than low sunspot activity must have contributed to the Little Ice Age that began in the 17th century, according to a new study.
April 15, 2011
Big Bang still possible to deduce in the future
We could still find evidence of the Big Bang and an expanding universe a trillion years from now, even with no galaxies visible in the night sky.
April 15, 2011
Warped space-time visualized by physicists
Stretching and twisting lines can visually portray the warping of space-time and solve a mystery surrounding merged black holes.
April 13, 2011
Honoring Yuri Gagarin on 50th anniversary of human space flight
The voyage of Yuri Gagarin lasted 108 minutes, 89 minutes of which were in space. He orbited the Earth once in his Vostok 1 capsule.
April 12, 2011
To celebrate Yuri, first space-Earth duet
NASA Astronaut Cady Coleman and Jethro Tull's Ian Anderson perform the first space-Earth duet celebrating Yuri.
April 12, 2011
