Evidence that rocky planets beyond Jupiter formed as rapidly, and at the same time, as the inner planets could transform our ...

Embark on a thrilling journey through our Solar System, exploring the inner planets and space travel possibilities. We start with an introduction to the incredible potential of space travel and how ...

Our Sun, planets, and other objects in the solar system formed from a gigantic cloud of gas and dust more than 4.5 billion years ago.

Instead, some of it formed a disk that ultimately would condense into the planets and other, smaller members of the solar system. Here are the objects in our inner solar system. The Sun NASA’s ...

CAPE CANAVERAL, Fla. — Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby ...

Between the Sun, the Moon, and the Inner and Outer Solar System, there is no shortage of wondrous things to behold. But arguably, it is the eight planets that make up our Solar System that are the ...

Today, Ceres is the only dwarf planet located in the inner solar system and the largest object in the asteroid belt between Mars and Jupiter. Ceres is approximately 585 miles ...

This artist’s concept depicts one of the solar system’s inner planets slamming into Earth after being nudged on a collision course by a passing star. Such a world-shattering cataclysm is ...

This process, called accretion, is how everything in the solar system – planets, moons, comets and asteroids – came into being. Telescopes can see young solar systems being born.

The violence isn't confined to the inner solar system, either. The outer planet Uranus has a severe tilt, as the planet sits almost completely on its side.

The planets of the solar system are varied in their appearance. Mercury is slate gray while Venus is pearly white, Earth a vibrant blue, and Mars a dusky red.