Up here on the International Space Station I don’t get affected by the seasons but on Earth the seasons are always changing: Spring, Summer, Autumn and Winter. What causes the seasons to change?

In contrast, during a total solar eclipse — which is preceded by a partial eclipse — the moon completely covers the sun, ...

COLUMBIA, S.C. — As the year unfolds, we experience the distinct changes in weather that mark the passage of time: the freshness of Spring, the warmth of Summer, the crispness of Autumn, and the ...

Earth is our home planet, and it's the only place in the universe where we know for certain that life exists. Earth formed over 4.5 billion years ago from a swirling cloud of gas and dust squished ...