NASA's Voyager 1 probe has left the solar system, boldly going where no machine has gone before.
Evidence left over after the Big Bang may suggest a saddle-shaped universe, new data suggests.
Shifting cosmic winds suggest that our solar system lives in a surprisingly complex and dynamic part of the Milky Way galaxy, a new study reports.
The Hubble Space Telescope has captured what scienitsts are describing as a "cosmic caterpillar" nearly 6 trillion miles long slinking through deepspace.
A rare 16th-century scientific artifact used in astronomical measurements that has been missing from a Swedish museum for a decade has been recovered and will be returned this week, the London...
Every August, just when many people go vacationing in the country where skies are dark, the best-known meteor shower, makes its appearance.
Astronomers have snapped a photo of a pink alien world that's the smallest yet exoplanet found around a star like our sun.
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