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 ...

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 ...

Credit: MARK GARLICK/SCIENCE PHOTO A super-Earth planet that dips in and out of its star's ... the data and pick out an exoplanet's faint radial velocity signal from the background noise. YARARA ...

(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 ...