Earth formed over 4.5 billion years ago from a swirling cloud of gas and dust squished together by gravity. That same cloud gave rise to our entire solar system, including our star, the sun.

Venus is a Victim of a Rampant Greenhouse Effect Venus's atmosphere is made mostly of carbon dioxide, one of the greenhouse ...

With a radius of 3,959 miles, Earth is the fifth largest planet in our solar system, and it's the only one known for sure to have liquid water on its surface. Earth is also unique in terms of ...

It was controversial as accepted wisdom at the time (supported by the church) was that Earth was at the centre of the universe. Create your own masterpiece of the solar system. You could paint it ...

A collection of down-to-Earth facts about our planet and its place in the solar system. This collection introduces the Sun as the main source of light and heat on Earth. It explains that the Earth ...

IT’S been nearly 40 years since the first planet outside of our Solar System was discovered. Since then, more than 5,800 ...

Museum planetary science researcher Prof Sara Russell explains the origins of Earth's closest companion. Our solar system's outermost planet may be last but it's certainly not least. Get the facts on ...

Related: Wild solar weather is causing satellites to plummet ... see Starlink as the number one source of collision hazard in Earth's orbit. In addition to that, some scientists worry that the ...

The brief window will enable skywatchers to see all seven other planets in the Earth’s solar system simultaneously.

One exciting project currently happening is NASA’s Lucy mission, which is on a quest to learn more about asteroids orbiting near Jupiter known as Trojans. These asteroids are thought to be ancient ...

with all seven of Earth's celestial neighbors joining the show. Here's how to spot it and why it happens. The mysterious Oort cloud is the source of many of our solar system's comets, but ...