If there was a contest for the most interesting moon in our solar system, Callisto would be a contender. Jupiter's ...

Planets change orbit shape around Neptune’s size. Metal-rich stars help giant planets form. Eccentric orbits suggest chaotic ...

The shape of a planet's orbit is one of its fundamental properties, along with its size and distance from its host star.

Seven planets will line up for a rare "planetary parade" today (Feb. 28) and you can watch it live online, beginning at 12:00 ...

VANCOUVER - Canadian and other researchers have confirmed Saturn as the solar system’s undisputed “moon king," after ...

When a mudflat crumbles on Earth, or an ice sheet splinters on one of Jupiter's moons (Europa), or an ancient lakebed breaks ...

Seven planets will align in a rare "parade" on Friday, Feb. 28, 2025. Here's tips to get the best viewing possible.

Mercury is joining Venus, Mars, Jupiter, Saturn, Uranus, and Neptune for a seven-planet parade. It's a stargazer's paradise.

It is being called a "planetary parade" as seven planets are expected to be seen in the Earth's night sky on Friday, ...

Jupiter's second-largest moon has more impact ... According to Cochrane, the team was working on a different project, involving scanning Neptune's moon Triton to see if it has a subsurface ocean.