Two of Pluto's midsize moons may be made of the guts of its largest moon, Charon, new research suggests.

In Roman mythology, Pluto is the god and ruler of the dead. For a return mission to the dwarf planet, Howett and her ...

Astronomer and Pluto mission leader S. Alan Stern explores how the field has transformed during his decades-long career.

Experience the 2015 astronomical sensation as New Horizons became the first human-made probe to reach Pluto, unveiling the ...

The debate over Pluto’s planetary status has been ongoing since its reclassification as a “dwarf planet” in 2006 by the ...

As NASA grapples with major proposed budget cuts and losing some of its most brilliant minds, America’s willingness to look ...

With a diameter of 1,440 miles, Pluto is farthest from the sun. While major planets make roughly circular orbits, Pluto ...

Before Christopher Nolan's epic The Odyssey, find out where to watch his first collab with Matt Damon in Interstellar for ...

Astronomers say they have evidence that there may be a hidden planet in our Solar System. Named 'Planet Y', the Earth-sized ...

Evidence of any LGMs – little green microbes – will be devilishly hard to find, as the paper suggests that any “period of habitability” on Ceres existed between ~0.5 and 2 billion years after its ...

THE Uranus “lunar gang,” a name given to the 28 moons of the 7th planet “recruited” its newest member currently designated as ...

The best time to see the Perseid meteor shower this year will be early in the morning Wednesday, a few hours before the sun ...