Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

The rocky planet circling the closest star to the sun got hammered by a superpowerful flare last year, a new study reports. That's a bit of bad news for anyone hoping that the alien world, known as ...

The Alpha Centauri star system, located just four light-years from Earth, might host a giant planet in its habitable zone. The observation of a Saturn-sized planet by the James Webb Telescope in ...

An illustration of what it might look like to visit Kepler 16 b, a nearby exoplanet with twin suns. Credit: NASA Imagine a planet where molten diamond rains from the sky, hurled sideways by winds that ...

Some of the most promising places to look for extraterrestrials have remained, so far, mostly hidden from astronomers. Now a game-changing instrument called NIRPS (Near-Infrared Planet Searcher) is ...

Astronomers have found nearly 6,000 exoplanets orbiting other stars. But for every confirmed detection, there are countless mere hints, inconclusive observations that could just as well be blips of ...

Life as we know it may require lightning, as it's one of the few energy sources a planet has available to create complex chemical compounds. Now, new research has found that lightning, while not very ...

Ready to go for a swim? The biggest swimming pool in this section of the galaxy could be just 24 trillion miles away. Share on Facebook (opens in a new window) Share on X (opens in a new window) Share ...

Just 4.3 light years from Earth lies a star called Alpha Centauri A, which is famous for being the nearest star that resembles our own Sun. In the popular Avatar movies, this star's system is home to ...

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