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

In the coming years, an unprecedented number of people will leave planet Earth—but it’s becoming increasingly clear that deep ...

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

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

Mars's moon Phobos is so strange that no one knows how it formed. But a forthcoming mission could solve this mystery - and a host of other puzzles connected to the solar system's deep past ...

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

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

Incredibly powerful marsquakes that violently shake the red planet don't always begin under the surface, research shows.

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.

Each planet in the solar system is characterized as different cricket team players, with unique behaviors and skills. Earth ...

The rover's 26th sample, known as "Silver Mountain," has textures "unlike anything we've seen before," NASA says.

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