Public asked to define a galaxy
Cosmic question The public is being asked to help settle a question of astronomical proportions: what is a galaxy?
While the term galaxy is b
'Goldilocks' planet lost in translation
Missing planet An Earth-like planet orbiting a star 20 light-years away may not exist after all, according to a new study.
In September last
Lensing putting universe out of focus
Out of focus A new study has found the optical effect called gravitational lensing is causing some distant galaxies to appear brighter than they real
NASA spots hot, Earth-like planet
Hot stuff NASA has spotted a tiny, rocky planet about the size of Earth doing a speedy orbit of a star outside our solar system, the space agency has
Lunar water may have come from comets
Comet delivery Water on the Moon came in large part from comets which bombarded the lunar surface in its infancy, a new study suggests.
For d
Saturn rings born from Titanic collision
Ring theory Saturn's majestic rings and icy inner moons formed following the planet's collision with another moon the size of Titan, a new study sugg
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