NASA’s most recent photos of Pluto, captured by the New Horizons spacecraft, have revealed some of the most intriguing and ...

However, as scientific understanding evolved, so did Pluto's classification — though not without controversy. Pluto fails the ...

calling into question Pluto’s classification. As a result, in 2006, the International Astronomical Union (IAU) voted to adopt new requirements for planetary status—kicking Pluto out of the ...

Today is a historic day—one that will bring joy to the hundreds of millions of Pluto lovers around the globe. The International Astronomical Union (IAU), the body that is responsible for naming ...

While some people mourned the passing of Pluto from mainstream planet to this new classification, other Pluto fans thought it was pretty cool to be the first and defining member of a whole new ...

Pluto came into the lexicon in 1930 when astronomer ... also concurred that dwarf planets and planets are two distinct classifications. They determined the Solar System contains eight planets ...

And so this argument, I think that doesn't hold much water. So classification wise, I am completely comfortable calling Pluto a planet, the moon a planet. BARBER: Europa, one of Jupiter's moons ...

the International Astronomical Union stripped it of its original classification, after narrowing the definition of a planet to be one that clears its orbit with its gravitational heft. Pluto doesn ...

The newly discovered object, named 2017 OF201, has a 25,000-year orbit and is believed to be a large contender for dwarf ...

There’s a new frozen oddball orbiting the Sun, and it’s not your average space rock. It’s a planet—a minor one, to be ...