The sun has just fired off an eruption so intense it ranks among the most powerful solar flares seen in three decades, a jolt ...

Every day on Earth, you experience weather. You feel the wind blowing and see clouds move across the sky. Sometimes there are storms where the wind gets really strong, it might rain, or there might be ...

Northern lights occur when a solar flare interacts with Earth's atmosphere.

Every year in early January, Earth reaches the closest point in its orbit to the Sun, a moment astronomers call perihelion. We are slightly nearer to our star and receiving more solar energy than we ...

Our Earth is structured sort of like an onion – it’s one layer after another. Starting from the top down, there’s the crust, which includes the surface you walk on; then farther down, the mantle, ...

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Earth’s orbit around the Sun isn’t a perfect circle—it’s slightly elliptical. Each year, around July 2 or 3, Earth reaches its farthest point from the Sun, known as aphelion. Around January 2 or 3, ...

Every day on Earth, you experience weather. You feel the wind blowing and see clouds move across the sky. Sometimes there are storms where the wind gets really strong, it might rain, or there might be ...

A meteor streaks across the sky and burns up in a flash. Sometimes, a small piece survives the journey through Earth’s atmosphere and lands as a meteorite. Scientists have studied these fallen rocks ...

A solar conjunction occurs as Venus' orbit carries it into alignment with the sun and Earth. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Curious Kids is a series for children of all ages. If you have a question you’d like ...