Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

The researchers discovered that the lunar nearside flexes slightly more than the farside during its elliptical orbit around ...

Asteroids are made of metals and rocky material. There are many asteroids in our Solar System which orbit the Sun in oval or egg-shaped elliptical orbits which can take millions of years to complete.

After initial positioning by ground control, the satellite duo’s autonomous system of cameras, LEDs, and laser rangefinders ...

The Milky Way is known to host a diverse array of planetary systems, providing astronomers with extensive insights into how ...

Indeed, other planets, dwarf planets and moons in our solar system ... an "eccentric" orbit, which contributes to its seasonal variations, Li said. Pluto, too, has a very elliptical orbit that ...

For the first time, two spacecraft in orbit were aligned in formation with millimeter precision and maintained their relative ...