An international team of astronomers has discovered a distant planetary system that challenges long-standing theories of how ...

Jupiter, Mercury, Neptune, Saturn, Uranus, and Venus—will appear in the sky together in a special planet parade on Feb. 28. Here’s how to view the alignment.

Gas giants are massive worlds made mostly of hydrogen and helium. They lack solid surfaces, and in our solar system, Jupiter ...

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Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new extrasolar planet transiting a distant star. The newfound alien world, designated ...

Far beyond our solar system, in the distant Pegasus constellation, lies a star system that is reshaping our understanding of ...

From the surface of Jupiter’s moons the planet would not look like a distant dot in the sky. It would loom overhead filling the horizon with massive swirling clouds violent storms and blazing auroras.

Astronomers have uncovered a distant planetary system that flips a long-standing rule of planet formation on its head. Around the small red dwarf star LHS 1903, scientists expected to find rocky ...

PENNSYLVANIA, USA — To kick off 2026, a gorgeous conjunction of the moon and Jupiter took place between January 3 and 4. Jupiter, the giant planet, appeared to align closely with the full Wolf moon, ...

An international team of astronomers has discovered a distant planetary system that challenges long-standing theories of ...

Jupiter continues shining brightly in the east in the evening among the stars of Gemini. To the right of Gemini is Orion with orange-red Betelgeuse and blue-white Rigel at diagonally ...