Almost 10 years ago, a NASA spacecraft was able to take several photos of Pluto, known for decades as a planet before it was ...

Why was Pluto reclassified as a dwarf planet? One might think that it’s purely a matter of size. Mercury, the smallest of the ...

Pluto isn’t the only dwarf planet in our solar system's outer reaches. Now is an ideal time to look for the egg-shaped Haumea ...

The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

Venus—a hot planet pocked with tens of thousands of volcanoes—may be even more geologically active near its surface than ...

Future missions to Venus could also supply additional data on the density and temperature of the planet's crust, which could ...

Venus may be far more geologically alive than anyone expected. New research suggests its outer crust could be churning with ...

Scientists estimate there are ~1 septillion (1 followed by 24 zeros) planets in the observable universe. This figure is based on current research, which constan ...

Capricorn is ruled by Saturn, a planet associated with karmic maturity, consistent results, and integrity. Consequently, ...