Controversy's favourite billionaire and the world's richest man, Elon Musk, wants to colonize Mars, which is about 225 ...

Even if no life is found on other planets, smart survey design and careful statistics can still reveal how rare, or common, ...

The Earth is said to have a mysterious 'heartbeat', but scientists are struggling to work out where it's coming from and why ...

Eratosthenes became the first person to calculate the Earth's circumference with remarkable accuracy, a feat that stands as a ...

A new state-of-the-art weather system is set to go online soon, which will provide more accurate and reliable forecasts and severe weather warnings.

A SpaceX crew has landed in the Pacific after orbiting the north and south poles. Learn about their record-breaking mission ...

Studying it can inform our understanding of the Earth's past and our future. Each year, according to Nasa, a chunk of rock the size of a car hurtles through space on a collision course with our ...

Space debris grows rapidly, threatening satellites and future missions if cleanup efforts don't intensify now.

Yet despite the drumbeat of evidence, we still know of just one planet in the cosmos with life — the one you’re standing on.

NASA spotted a circle of clouds over the Pacific Ocean, and the image is still breathtaking over 10 years later.

(CNN) — SpaceX on Monday launched its latest mission for paying customers: This time, a Crew Dragon spacecraft is carrying a cryptocurrency billionaire and three guests on a dayslong trip that will ...