The world's space agencies are keeping close watch on an asteroid heading our way, because there's currently a 1 in 83 chance ...

Scientists discover low-mass microquasars can accelerate cosmic rays, reshaping theories on high-energy particle origins.

Where is our solar system in the vast assemblage of celestial objects in this island Universe we call the Milky Way? To answer that question, we can begin with the beautiful configuration of stars we ...

NASA scientists have discovered organic content in the samples recovered from the asteroid Bennu, which points back to the ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

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SpaceTV-1, a set of Ultra High Definition 4k cameras from space streaming company Sen, was delivered to the International Space Station (ISS) last year, and is now broadcasting live views of Earth and ...

Observatories in Chile’s Atacama Desert, including the world’s largest optical telescope, could be blinded by light pollution ...

Giant radio galaxies are cosmic megastructures that can span millions of light-years, making them some of the largest-known ...