A sudden surge of solar activity has shaken space weather forecasts after NOAA confirmed that the Sun unleashed two powerful ...

Planet Earth is spinning a little faster today — resulting in one of the shortest days of the year. But the change will be so minuscule you won’t even notice. We’re talking even less time than the ...

Scientists have mapped how Earth’s deepest mantle is being deformed—and the results point to long-lost tectonic plates buried ...

The results of the planet’s first annual physical—a complete health check—are in, and they are alarming. We are deep into the yellow danger zone and moving rapidly towards the red high-risk zone, ...

The Earth’s climate is a dynamic entity, continuously evolving over billions of years with alternating periods of extreme heat and cold. Recent scientific studies indicate that the Earth is subtly ...

2024 PT5, Earth’s newest mini-moon, is expected to go into orbit of Earth for a couple of months from Sept. 29, 2024. Update, Oct. 9, 2024: A link to a map of asteroid 2024 PT5’s orbit around the ...

PCWorld reports that scientists discovered Earth’s inner core has slowed its rotation relative to the crust, even appearing to stop moving in a phenomenon that occurs every 35 years. This ...

Our planet’s magnetosphere has seen dramatic shifts across its history—even total reversals—but this recent wrinkle doesn’t pose a threat to life Earth’s magnetic field surrounds the planet, with ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Not much is known ...

Climate change is making extreme weather feel closer than ever, with longer heatwaves, stronger storms, and shifting seasons.

Earth's core is mostly made of the metals iron and nickel, but it also contains lighter elements like hydrogen, oxygen and silicon. CharlesC via Wikimedia Commons under CC-BY-3.0 How Earth got its ...