A new framework urges leaders to see the world as PLUTO: polarized, liquid, unilateral, tense and omnirelational, and to ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...

In the outer reaches of our solar system, far beyond the orbit of Pluto, lies Sedna, one of the most mysterious objects ever ...

Scientists at NASA for the first time have been able to observe the make up of Pluto and other small and icy celestial bodies in the outer solar system. They had expected to find that the surfaces ...

How long does it take Pluto to orbit the sun? Learn more about how this planet makes one lap around our Solar System.

A star with a mass similar to our Sun passing within 10,000 astronomical units could disturb Oort Cloud, which is located far beyond Pluto and marks the outer edge of solar system.

A recent study indicates a small chance that Earth could be ejected from our solar system due to passing stars. Simulations suggest these stellar enco ...

NASA’s New Horizons spacecraft captured this image of Pluto’s surface shrouded in atmospheric haze. Credit: NASA/JHUAPL/SwRI Pluto’s haze is real, its atmosphere is wild, and its moon is stealing its ...

Pluto was turning out to be not just a frozen ball, but a body much more complex than most scientists had suspected. By that time, a revolution was under way that would reshape astronomers ...

“My mom started declining when she turned 80. That was the same month that one of my sisters died in 2012. About three years later, I had to be the ‘bad guy’ and take her car keys. I did it ...