Right now, Earth is about 3.1 million miles farther from the sun than it is in early January when it reaches perihelion, its ...

The best sun hats for babies offer a wide brim and are comfortable enough that they'll keep it on. See our favorites after ...

Earth’s tilt is what causes the seasons; in the summer, when our planet’s pole is tipped toward the sun, the days are longer, and the true sun’s daily path across the sky is higher. The opposite is ...

We know that Monday’s total solar eclipse will not be caused by a bear biting the sun, a dragon swallowing it or an X-rated get-together between heavenly bodies. And yet, as our ancestors have ...