August brings Saturn and Neptune together, offers two shadow transits of Titan, and sees a conjunction of Venus and Jupiter.

In August 2025, skywatchers will be treated to a planet parade like no other, with six planets and the Moon visible in the ...

A planet’s moons can also influence its ring system. For example, Jupiter has rings just like the other gas giants, but its rings are smaller and fainter than Saturn's.

Mercury begins to emerge from the dawn glow after Aug. 12. On Aug. 19, Mercury reaches its greatest elongation west of the ...

Uranus is heating up from the inside. Uranus was always seen as a tilted, distant, and kind of boring world. Scientists used ...

New research has revealed that mysterious ‘rogue planets’ could be assembling scaled-down planetary systems of their own.

Jupiter is already the biggest planet by far in our solar system, but new research suggests it was somehow once even larger than it is now. Twice as large, in fact.

Mar 31, 2011 Replies: 10 Ripples in the rings of our solar system's gas giants are the leftovers of cometary impacts that may have happened decades earlier.

Astronomers have detected an exoplanet with a highly oblong orbit that experiences wild temperature swings — and it may be transitioning into another type of world. The exoplanet, named TIC ...

The planet is also even bigger than they had believed, she said. "I don't think we expected for there to be stuff out there that was so much bigger than Jupiter," she said. Some scientists believe ...

Jupiter, the largest planet orbiting the sun, used to be much bigger and stronger when the solar system was just beginning to take shape, a pair of astronomers say. Two scientists at Caltech and ...