Mar. 11, 2025 — A new study presents a compelling new model for the formation of super-Earths and mini-Neptunes -- planets that are 1 to 4 times the size of Earth and among the most common in ...

The solar system is a region of space, and all of the objects contained within which are gravitationally bound to the sun. This means all the planets ... The smallest official planet is Mercury ...

Illustration shows four small rocky planets detected in orbit around Barnard's Star, the nearest single star system to our solar system ...

Canadian and other researchers have confirmed Saturn as the solar system’s undisputed “moon king," after discovering 128 more ...

The discovery by a team, including current and former University of British Columbia astronomers, brings Saturn’s total to ...

Canadian and other researchers have confirmed Saturn as the solar system’s undisputed “moon king," after discovering 128 more ...

Most solar companies set the price according to the solar system's wattage. A solar installation's “cost per watt” is a little like the “price per square foot” when you buy a house.

The findings, ratified on Tuesday by the International Astronomical Union, come after a decades-long battle to confirm which of the two biggest planets in the solar system have the most moons.