Have you ever wondered how far Jupiter is from Mars or Venus from Earth? Our handy calculator makes it easy to find out! All distances are average and ...

Whether a galactic environment has the right conditions for habitable planets to form could depend on how the black hole in ...

We often focus on space observatories that peer beyond Earth. But the vast majority of satellites stare right back at us.

Scientists are using an array of instruments to detect other planets, some of which may harbor life—and others that most ...

The world of Sailor Moon does not just relate to our own solar system, but the many unknown planets from the original story ...

An asteroid discovered over 200 years ago which is roughly the size of Germany would have catastrophic consequences for life ...

We've known for over 30 years that there are other stellar systems in our galaxy, but we don't have any idea how many there ...

Swarms of satellites launched by SpaceX and other companies are disrupting astronomical observations. Here's how scientists ...

So in some sense, alien worlds were not first discovered in the 1990s or even the 1980s. It took nearly a century to fully ...

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The two exoplanets, or planets outside of our solar system, orbit a star called TOI-1453, which is slightly cooler and ...

All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't ...