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Andromeda Galaxy video in many colors
Rainbow colors from Andromeda Galaxy, our neighboring galaxy - some invisible to the eye, but visible to ESA telescopes - reveal the life cycle of stars.
April 29, 2011
Exploding star helps reveal secret of supernova origins
A study of x-rays emanating from the remnant of a 1572 supernova provides strong evidence that a companion triggered the exploding star.
April 27, 2011
Icy moon zaps Saturn with electron beams
Cassini camera detects unusually strong current looping from the icy moon Enceladus to Saturn, 150,000 miles away.
April 21, 2011
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
