Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, ...

First, let’s compare the orbital characteristics of Pluto with those of other planets. Pluto has an orbital eccentricity (the degree to which its orbit deviates from a perfect circle) of 0.25, while ...

When most of us think about what shaped our planet, we probably picture volcanoes, earthquakes, and huge continents slowly ...

Today, let's talk about an incredibly mysterious celestial body in the solar system — Sedna. Did you know that it takes Sedna about 11,000 years to complete one orbit around the Sun? It leisurely ...

Federal funding is about to run out for 19 active space missions studying Earth's climate, exploring the Solar System, and ...

Despite rough reviews for its debut season, Andromeda would eventually run for five seasons, often serving as a double-header ...

New research from NASA has found that the dwarf planet Ceres may be another place to look for evidence of primitive life in our solar system.

As Liza Libes, a veteran of Literature Humanities, recently wrote, more in sorrow than in anger, “Ovid was sent on a ...

Normally when a medium-size star dies, it blasts away the bulk of material in its system. The Hubble discovery was surprising ...

Saturn is about to make its closest approach to Earth, and that means you might be able to see its rings — if you have a ...