Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a ...

Earth's inner core has changed shape over the past 20 years. A team of scientists studied the core's behavior to understand why its rotation slowed down ...

Scientists of course cannot cut into Earth and directly observe its insides. Instead, their knowledge is inferred from the ...

HD 20794 d, with a mass six times that of Earth, orbits a star similar to our sun. The planet’s location within the habitable ...

Thirty years after the discovery of the first exoplanet, we detected more than 7000 of them in our Galaxy. But there are still billions more to be discovered! At the same time, exoplanetologists have ...

(CNN) — Space agencies are keeping a close eye on a recently discovered asteroid that has a small chance of impacting Earth. Named 2024 YR4, the asteroid has a 1.2% chance of hitting our planet ...