Pluto
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.
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...