Earths

Supplies of dissolved oxygen in bodies of water across the globe are dwindling rapidly, and scientists say it's one of the greatest risks to Earth's life support system.Just as atmospheric oxygen is vital for animals like ourselves,…

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more.…

There is much we still don’t know about the inside of our planet – but scientists recently discovered water is slowly leaking down there from the surface.It’s not a simple journey. The liquid is dripping down descending tectonic plates,…

Precise measurements show that Earth’s rotation has been mysteriously slowing down since 2020, making the day longer.Precise astronomical observations, combined with atomic clocks, have revealed that the length of a day is suddenly…

We’re discovering new things about the Earth all the time – just like scientists recently found water is slowly leaking down there from the surface, and people only just realising that there’s a massive ocean hidden under the Earth’s…