Planet Y? Astronomers find fresh clues of hidden world in our solar system

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

Unified model explains extreme jet streams on all giant planets

One of the most notable properties of the giant planets in our solar system—Jupiter, Saturn, Uranus and Neptune—are the ...

Rogue planet outside our solar system expanding rapidly in huge ‘growth spurt’

Astronomers have discovered a significant “growth spurt” in a rogue planet outside of our solar system. The free-floating ...

Astronomers spot young rogue planet gobbling up its surroundings

WASHINGTON (Reuters) -Just as Earth orbits the sun, most planets discovered beyond our solar system orbit a host star.
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Astronomers capture the birth of planets around a baby sun outside our solar system

Astronomers have discovered seeds of rocky planets forming in the gas around the baby sunlike star providing *** peek into the start of our own solar system. The the thing that we've discovered is ...