Don’t Miss the Full Video Story Below Something enormous is on its way to our cosmic neighborhood. The Milky Way, along with ...

When it comes to the Milky Way and Andromeda galaxies, there’s a whole “will they or won’t they” thing going on. In 2012 ...

Our galaxy and its nearest large companion, Andromeda, may be headed for a collision on a cosmic scale. What happens then?

A study suggests that the ice giant's largest moon, Triton, made a dramatic entrance to the Neptunian system long ago, kicking Nereid outward and destroying the planet's other original lunar companion ...

If you're looking for something to do Memorial Day weekend and into May, here's how to spot a band of stars comprising the ...

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"Each time a satellite has to maneuver to avoid a potential collision, it uses fuel which is a finite and precious resource." ...

Neptune's mysterious, far-flung moon Nereid may be the last of the planet's original companions. Scientists at the California Institute of Technology reported Wednesday that they used NASA's Webb ...

An amateur astrophotographer from Uttarakhand has captured the Triangulum Galaxy, a spiral galaxy located 2.7 million ...

While there is no immediate danger, this crash highlights that space junk is increasingly expanding out of lower-Earth orbit ...