UP UNTIL the mid-1990s, the only planets whose existence we knew about for certain were those in our own solar system. This narrow worldview was changed forever when the first exoplanets were found ...

The idea of alien worlds conjures images of planets populated by the beings found in a “Star Wars” bar scene. But the reality is much more nuanced. University of Virginia astronomer Anna Dignan takes ...

The search for life beyond our solar system heated up this year when scientists reported a tantalising signal from an exoplanet of a molecule that is known to be produced exclusively by life on Earth.

A rare chemical signature has been detected in the atmosphere of a scorching alien world located roughly 700 light-years away ...

NASA’s Roman Space Telescope could revolutionize the search for alien worlds by discovering around 100,000 exoplanets—far more than all previous missions combined. It will look deep into unexplored ...

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The science fiction genre is home to many fascinating, terrifying, and breathtaking worlds that stretch the limits of imagination, from the hive of scum and villainy that is Tatooine in Star Wars to ...