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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
Billions of orphan Jupiters adrift in Milky Way galaxy?
Astronomers have discovered 10 free-floating, Jupiter-sized planets in our galaxy and say these objects might be more common than stars.
May 19, 2011
Comet Hartley 2 is tumbling, at a changing rate
Astronomers from the Planetary Science Institute say the discovery of the changing rate of rotation of the nucleus of Comet Hartley 2 is a first.
May 17, 2011
Endeavour space shuttle takes final flight
In 1992 Dan Brandenstein commanded the first flight of the space shuttle Endeavour. He spoke with EarthSky about Endeavour's final launch May 16, 2011.
May 16, 2011
Martian Summer by Andrew Kessler
Writer Andrew Kessler spent a summer embedded with the NASA team that oversaw the Phoenix Mars Lander. His book Martian Summer recounts the experience.
May 12, 2011
