Pluto is now ‘official state planet’ for Arizona, study

For Arizona, the downgrade of classification didn't mean a downgrade of importance.

New models explain canyons on Pluto’s moon

Internal ocean freeze modeling does not support cryovolcanism on Charon.

NASA shares translated color image of Pluto

Where does the rainbow end?

Pluto’s orbit is rather surprisingly, highly chaotic

These results could have implications for future studies of the outer Solar System and its orbital dynamics.

Atmospheric pressure on Pluto’s surface is more than 80,000 times less than Earth

They also found that the pressure at the surface is close to the seasonal peak of Pluto.

Pluto’s atmosphere is slowly disappearing

It is refreezing back onto its surface as it moves farther away from the Sun.

Scientists determined the origin of interstellar object Oumuamua

The study set out to explain the odd features of ‘Oumuamua.

Pluto’s atmosphere could disappear soon

Puto's atmosphere contains tenuous layer of gases surrounding the planet. It consists mainly of nitrogen (N2), with minor amounts of methane (CH4) and carbon...

New Horizons successfully explores Ultima Thule

New Horizons made history with the flyby of Ultima Thule, a mysterious object 4.1 billion miles (6.6 billion kilometers) from Earth in the Kuiper...

NASA spaceship to capture most distant world explored yet on New Year’s Day

NASA's unmanned New Horizons spacecraft is closing its memorable New Year's flyby target, the most distant world at any point examined, a frozen relic...

Pluto should be reclassified as a planet, experts suggest

Is Pluto a planet? In 2006, the International Astronomical Union (IAU) proposed a definition of a planet that left out Pluto, causing it to lose...

Icy dunes on Pluto reveal a diverse and dynamic dwarf planet

NASA New Horizon’s scientists discovered dunes on Pluto near the mountains that encircle Pluto’s Sputnik Planitia plain. This discovery could be a sign of the dynamic...

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