A newly discovered object orbiting far beyond Neptune has its closest approach to the Sun pointed in the opposite direction from every other known body like it, weakening one of the central ...

The orbits of the planets around the sun have been the source for many a scientific debate. Their current orbital properties are well understood but the planetary orbits have evolved and changed since ...

An international team of astronomers has discovered eight new extrasolar planets, bringing to nearly 80 the number of planets found orbiting nearby stars. The latest discoveries, supported by the ...

A study recently submitted to The Astronomical Journal continues to search for the elusive Planet Nine (also called Planet X), which is a hypothetical planet that potentially orbits in the outer ...

Add Yahoo as a preferred source to see more of our stories on Google. An orange star is orbited by six planets, each a different color. their orbits are outlined with white circles. Astronomers have ...

When planetary scientists look to other stars for planets beyond Earth, they don’t often turn up much that resembles our solar system. Whether it’s because of star size, detection method, or observing ...

EVANSTON, Ill. — Except for the fact that we call it home, for centuries astronomers didn’t have any particular reason to believe that our solar system was anything special in the universe. But, ...

Since the first planet beyond our solar system was confirmed in the 1990s, astronomers have gone on to catalogue more than ...