After a nine-year journey, New Horizons transformed Pluto from a distant blur into a world of towering mountains, flowing ...

The spacecraft is currently approaching the outer boundary of the solar system as it prepares to cross into interstellar space.

Twenty years after Pluto lost its planet status, the debate is suddenly alive again. After a 10-year-old wrote to NASA asking ...

Those who supported Pluto’s demotion included Neil DeGrasse Tyson ...

A 24-year-old observatory assistant from the Midwest discovered Pluto. Clyde Tombaugh, born in 1906 in Streator, Illinois, ...

On the 20th anniversary of Pluto’s infamous demotion, Mike “Pluto Killer” Brown explains why any reversal of that decision ...

Twenty years after Pluto lost its planetary status, the debate continues as scientists still disagree over what defines a ...

Since it was stripped of planetary status, Pluto’s defenders have been fighting the decision – and they’re only getting more passionate ...

Nothing like the controlled disassembly of BepiColombo has ever been attempted in such a harsh environment as the region of ...

Pluto lost its planethood for a very specific reason. Whether or not that’s a good reason depends on who you ask.

Unpopular opinion time, Pluto being reclassified as a dwarf planet was a great thing for our understanding of the solar ...

Dark streaks along Pluto’s giant nitrogen glacier may mark places where liquid nitrogen recently reached and flowed across the surface. Computer models suggest nitrogen could melt beneath the ...