Do your students ask you how to spell “because” three times a week, even though it’s on the word wall? It might be time to dust off those dictionary skills. And yes, I included the answer keys with ...

Have you ever wondered what our solar system looked like 3.8 billion years ago? Were the planets we know today anything like their current forms, or were they completely different? In this video, we ...

Centimeter-sized pebbles have been detected in protoplanetary discs using e‑MERLIN, filling in a critical phase of planet ...

Take a journey through the Milky Way galaxy, exploring the wonders of our solar system and the distant stars that illuminate the night sky. The Milky Way is home to over 100 billion stars, each with ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Are planets in the solar system that are closer ...

Learn about the recently discovered trans-Neptunian object that may eventually join Pluto as a dwarf planet, found at the edge of our solar system.

This process, called accretion, is how everything in the solar system – planets, moons, comets and asteroids – came into being. Telescopes can see young solar systems being born.

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, researchers say.

The universe has billions of galaxies, and our solar system is in the Milky Way Galaxy. The Milky Way contains at least 100 billion other stars besides our sun.

In 2017, NASA discovered and later confirmed the first interstellar object to enter our Solar System. It wasn’t aliens. But artist impressions of the object (called ‘Oumuamua, the Hawaiian ...

Test your knowledge on our solar system, from the biggest and smallest planets to the behemoth mountain on Mars.