Like a celestial parade across the cosmos, five bright planets are lighting up the night sky and visible with the naked eye ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

A comical planetary beauty contest is described, highlighting the unique traits of each planet: Mercury’s fiery nature, Venus ...

Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

The article humorously portrays each planet of the solar system as different types of gym personalities. Jupiter is obsessed ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course.

The four-planet lineup that began in January concludes by mid- to late February, as Saturn sinks increasingly lower in the ...

The four planet-strong "planet parade" currently visible to the naked eye in the night sky for a short time after sunset will ...

Six planets are part of the alignment, which will last until Feb. 18. Mercury will join the alignment later in the month.

Canadian astronomers have taken an extraordinary step in understanding how planets are born, using the James Webb Space ...