Could other inner planets host life - or have hosted it in the past? This episode examines scientific data on Mars’s ancient ...

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 ...

From quasi-moons to asteroids with rings, the Solar System is beaming with weird and exotic objects that tell the story of how it came to be billions of years ago. Arrokoth As an ancient ...

No other planet in the solar system comes as close to matching Earth. In fact, until the middle of the 20th century, many scientists suspected that Venus was a near twin to Earth.

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 ...

CAPE CANAVERAL, Fla. -- Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a precious peek into the dawn of our own solar system.

The outer planet Uranus has a severe tilt, as the planet sits almost completely on its side. Even Uranus' moons orbit the planet perpendicular to the plane of the solar system.

The Sun and planets of our solar system all formed from the same cloud of gas and dust, but the planets’ compositions vary with mass and distance from our star. This illustration shows the ...

NASA artist’s conception of a brown dwarf (main) and stock image of the planets in the solar system (inset). An object between 2 and 50 times the mass of Jupiter may have flown through our ...