We tend to think of habitability in terms of individual planets and their potential to host life. But barring outliers like ...

To understand how chaotic the early solar system was, we need only gaze at the moon. Its cratered surface bears the scars of ...

Luke found life on Tatooine to be boring, but he should be glad, because as we have seen, binary stars have the potential to ...

For years, astronomers have toyed with the idea that the Sun hides an extra planet so distant and dim that even the best ...

"Any claim of life on another planet requires a lot of justification, and I don't think we're there yet, Måns Holmberg, a researcher at the Space Telescope Science Institute who was part of the group ...

Astronomers have long speculated about an unseen planet lurking in the solar system's outer edge. This hypothetical world, dubbed Planet Nine, could explain the unusual clustering ...

In the latest image from NASA's Hubble Space Telescope, a strange galaxy called NGC 1961 comes into focus that has just one — ...

No planet in our solar system has a polar orbit. The several exoplanets known to follow such a path orbit only a single star. When two stars, or in this case two brown dwarfs, orbit each other, it is ...

Scientists have found new but tentative evidence that a faraway world orbiting another star may be home to life. A Cambridge ...

And instead of a single blob of cold air sitting atop ... Comparing the atmospheres of all the solar system’s planets to those found on distant worlds might help future scientists refine their ...

When Elon Musk’s engineers bundled a batch of prototype satellites into a rocket’s nose cone six years ago, there were fewer ...