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.

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Our Sun, that steady burning ball of gas that has faithfully illuminated Earth for billions of years, is slowly but relentlessly growing brighter. This might sound like good news, but it's actually ...

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 ...

Much as we may treasure and proclaim our independence, we actually live in a protective bubble called the heliosphere. This extraordinary environment is basically the sun's sphere of influence. It ...

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.

Know what to expect on Feb. 17, 2026.

(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 ...