The world’s premier space observatory has spotted a mysterious and huge, free-floating planetary-mass object that’s “just 20 ...

If there was a contest for the most interesting moon in our solar system, Callisto would be a contender. Jupiter's ...

Could a giant planet between Mars and Jupiter have doomed Earth? A new study suggests that small changes would have been ...

IT’S been nearly 40 years since the first planet outside of our Solar System was discovered. Since then, more than 5,800 weird and wonderful worlds across 4,300 planetary systems have been ...

Astronomers used the powerful James Webb Space Telescope to sleuth out some of these objects, called brown dwarfs, in a vibrant star-forming region of our galaxy called the Flame Nebula. Brown dwarfs ...

Another finding was how dramatically the planets varied in brightness over just three years. The team discovered that PDS 70 ...

With a sun more than 4.5 billion years old, our solar system is considered "middle-aged," and the pictures of what it might ...

Full of extraordinary footage, Robert Stone's blissed-out mind-bender of a movie meditates on the possibilities of life in the universe.

Scientists have uncovered surprising evidence that helium, a gas long thought to be chemically inert, may actually bond with ...

While 2025 has been a big money year for a few zodiac signs so far, there are some holding out for their moment in the ...