Astronomers have uncovered a rare exoplanet, HD 143811 AB b, that orbits two parent stars, mirroring the twin-sun system of ...

Team member Nathalie Jones of the Center for Interdisciplinary Exploration and Research in Astrophysics (CIERA) assessed GPI ...

Earth is on an orderly path around the sun, orbiting in nearly the same plane as our star’s equator. In 2008, however, astronomers began finding worlds in other solar systems that sail far above and ...

The term "perihelion" describes the point in an astronomical body's orbit where it is nearest to the sun. Derived from the ...

Strange giant planets known as hot Jupiters, which orbit close to their suns, got kicked onto their peculiar paths by nearby planets and stars, a new study finds. After analyzing the orbits of dozens ...

In very simple terms, low Earth orbit (LEO) is exactly what it sounds like: An orbit around the Earth with an altitude that lies towards the lower end of the range of possible orbits. This is around 1 ...

The planets of our solar system all orbit the Sun within a few degrees of a flat plane extending out from our star’s equator — its equatorial plane. That makes sense. Our solar system began as a ...

For the inner four planets in this solar system, each planet orbits the sun three times for every two orbits of the planet immediately to its outside. For the fourth, fifth and sixth planets, they ...

Starfish Space’s ambitious first mission to demonstrate on-orbit rendezvous and docking tech has officially come to a close, with the startup managing to complete some of the objectives thanks to a ...