For more than a century, the idea that life might have arrived on our planet from elsewhere in the cosmos sat at the fringes ...

There's a lot more to Earth than meets the eye. Far from being just a roundish rock barreling through space, our planet is composed of several layers held together by intense forces of gravity. Our ...

How much do you remember about planet Earth in the news over the last 12 months? Take our quiz to find out! When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

What would happen if aliens contacted us? It’s a longstanding question that now has at least a partial answer, after a transmission designed to mimic correspondence from an extraterrestrial ...

New research suggests that the Earth's solid inner core is softer and more dynamic than previously thought, changing ideas.

Earth’s deep interior may hold water equal to today’s oceans, challenging long-held views of how the planet became habitable.

Earth Day began in 1970 and takes place on April 22 every year. Here are 10 questions to test your knowledge of the planet. 1. A day on Earth is 24 hours but it always hasn’t been that way. Are the ...

2024 was an extraordinary year for the planet. Earth experienced one of the strongest El Niño events on record, leading to a supercharged hurricane season that brought record-breaking storms. The ...