Sure, they’re particles and rocks, but they’re still a fascinatingly long way from home. Alpha Centauri is the star system ...

The controversy endures over Pluto's true status, but the solar system underdog continues to capture hearts across the globe.

Did you know our solar system might have had an extra planet? Scientists believe a mysterious ninth planet once existed but ...

In February 2025, all seven of our planetary neighbors will be visible from Earth. So what does such a planetary alignment ...

Aimed at the nearby star PDS 70, the James Webb Space Telescope is watching newborn planets take shape before our eyes in ...

Astronomers for the first time have deciphered the three-dimensional structure of the atmosphere of a planet beyond our solar ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Witness a rare celestial spectacle as all seven planets in our solar system align next week—an event that won't repeat until ...

A rare celestial event will take place on February 28 this year, when all seven planets in our solar system will line up and ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

Canadian astronomers have taken an extraordinary step in understanding how planets are born, using the James Webb Space ...

These embryos, somewhere between small planetesimals and fully formed planets, were abundant during the solar system's ...