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 orbit four times for every three orbits of its outer neighbor. (Thibaut Roger / NCCR PlanetS, CC BY-NC-SA 4.0)

Astronomers Discover Rare Solar System Where Planets Orbit in Mathematical Harmony

The "resonant" planets could provide insight about how such systems form and evolve—and why our own solar system is not synced up

Will Sullivan

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Scientists Uncover a Golden Mole Species Thought to Be 'Possibly Extinct'

See the Newest Underwater Sculptures Residing on the Floor of the Caribbean

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The Timeless Draw of Decorating Cookies

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Rare Physical Evidence of Roman Crucifixion Found in Britain

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5 Surprising Facts About Lincoln

Mysterious Creatures With Bird-Like Feet Made These Tracks Long Before Birds Evolved

The 'Comet of the Century' Failed to Impress, but It Wasn't Such a Disaster After All

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A New Year of Delightful Destinations

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These 15 Photos Capture the Beauty of the Northern Lights

The Man Who’s Saving America’s Forgotten Grapes

On this day in 1969, Chicago police officers raided Black Panther Fred Hampton's apartment, shooting and killing Hampton and fellow Panther Mark Clark while they were sleeping. An investigation revealed that the police fired between 82 and 99 shots, while the Panthers only fired one.

Read party founder Bobby Seale's reflections on the Black Panthers' political legacy.

Traditional Polo Fishing Festival

© Md Ariful Islam