The chances of intelligent life emerging in our universe—and in any hypothetical ones beyond it—can be estimated by a new ...

Potentially dangerous comets could be spotted many years in advance by following the meteoroid trails they leave near Earth, ...

We know from The Lord of the Rings that Tolkien crafted endless stars in his legendarium, but are there other planets too?

A novel theoretical model based on universal expansion and star formation suggests that our universe might not have the ...

I Surrounded Planets with Black Holes and This Happened - Universe Sandbox 2Subscribe if you like! + <a href="http://bit.ly/1PG8z9GWatch">http://bit.ly/1PG8z9GWatch ...

A solar wind event squashed the protective bubble around Uranus just before Voyager 2 flew by the planet in 1986, shifting ...

After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the Kuiper Belt beyond Neptune — and they may soon have the opportunity to find ...

Juno also snapped pictures of Jupiter's potato-shaped inner moon, named Amalthea. With a radius of only 52 miles (84 ...

These are big, literally cosmic questions, and astronomers continue to struggle to nail down the answers. Different ...

Of all the astronomical objects visible in a telescope, none has captured human imagination more than the planet Saturn.

Written by the former chief historian of NASA, the book examines the evolution of our cosmic understanding—from early civilizations to the present day ...