Given just how big space is, the solar system seems like it shouldn't be too mysterious. But there are actually plenty of ...

JWST confirms Pluto’s haze cools its mesosphere and drives methane escape, coating Charon’s poles red. The haze absorbs UV light, heats the upper atmosphere, and re-radiates heat as infrared.

Parade. If romance and connection are on your mind, you’ll love what the sky offers you over the next few weeks! Venus, the ...

The first observations of Pluto by NASA’s James Webb Space Telescope (JWST) reveal dramatic phenomena on its surface, like ...

Almost 20 years after Pluto was infamously downgraded from its status as a planet, scientists now believe they have discovered a new planet in our solar system.

Pluto has never been much of a planet — small, wired orbit, not much atmosphere — and questions about its status have been raised periodically since its discovery 76 years ago. This week ...

Elon Musk, under the username "Kekius Maximus," has joined William Shatner in advocating for Pluto's reclassification as a planet. Shatner playfully suggested Musk persuade the President via ...

A legendary actor has taken a surprising turn to the right and is calling on President Trump to make Pluto great again.

Pluto held planetary status until 2006, when it got a cosmic demotion that still stings space fans. Discovered in 1930, Pluto was the ninth planet for over 75 years, orbiting at the chilly fringes ...

For decades, Pluto was celebrated as the ninth planet of our solar system. However, in 2006, the International Astronomical Union (IAU) redefined what constitutes a planet, leading to Pluto’s ...

Instead, planets were loosely regarded as objects ... This sparked debate about Pluto's status in the planetary canon, which came to a head at a 2006 meeting in Prague. That year, the IAU tasked ...

Stars can orbit stars. Why can’t planets orbit planets? The debate over Pluto’s status highlights the evolving nature of scientific classification. Definitions should reflect our growing ...