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

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

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

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

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.

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

The OSIRIS-REx mission returned to the sample to Earth in September of 2023, and these studies show that it contains amino ...

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

NASAs Perseverance rover has collected a historic rock sample dating back to the Noachian era on Mars. This discovery could ...

Monroeville Public Library is holding a three-part children’s series on space, where participants learn fun facts about the ...

To better understand why the planets have variable compositions ... to the formation of the gas and ice giants in the outer solar system. This first-order model of planetary growth in the solar ...