A new map of the Milky Way has revealed a surprising fact about the stars living in our galaxy -- nearly a third have moved far from their stellar birthplace.
The second full moon of July wowed skywatchers around the world - and even in space.
On July 25, 2015, the near-Earth asteroid 1999 JD6 -- a 'contact binary -- made its closest pass of Earth in at least over a century.
In new observations beamed back from Cassini, Saturn's icy moon Tethys has decided to show off its mysterious stripes.
As Comet 67P/Churyumov-Gerasimenko approaches perihelion, the sun is heating up its nucleus and the solar wind is causing its tail to evolve. And the Rosetta mission has a ringside seat.
For the next six months, NASA's Saturn-orbiting Cassini spacecraft will get its final look at two icy moons -- one famous and one not so well-known -- before preparing for mission's end in 2017.
For the first time, astronomers have detected an aurora erupting beyond the solar system, giving us a profound glimpse at the magnetism surrounding a brown dwarf, or 'failed star.'
NASA's Mars rover Curiosity went out of its way to investigate a rock the likes of which it has never seen before on the Red Planet.
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