The puzzle of predicting how three gravitationally bound bodies move in space has challenged mathematicians for centuries, and has most recently been popularized in the novel and television show '3 ...

Scientists have discovered a potential three-body system in the Kuiper Belt, the Altjira system, challenging planet-formation theories.

It's a new type of three-body problem for astronomers, who used the Hubble Space Telescope to determine that twin asteroids ...

A newly identified Kuiper Belt trio, possibly only the second of its kind, could provide strong evidence that these distant ...

New research suggests that a binary pair of Kuiper Belt objects, known as the Altjira system, is actually made up of three ...

This phenomenon known as a "planet parade," will feature Mercury, Venus, Mars, Jupiter, Saturn, Uranus and Neptune all ...

W. M. Keck Observatory’s laser guide star adaptive optics (LGS AO) system uses a laser to create an artificial star to measure for atmospheric distortions. This results in sharp, high-resolution ...

A 'planet parade': This phenomenon will feature Mercury, Venus, Mars, Jupiter, Saturn, Uranus and Neptune all visible at the ...

This phenomenon, known as a "planet parade," will feature Mercury, Venus, Mars, Jupiter, Saturn, Uranus and Neptune all ...

T Coronae Borealis, a binary star system nicknamed the "Blaze ... For those hoping to see a reunion with Pluto, which was considered the solar system's ninth planet until it was redefined as ...