Earth is now closer to the sun than at any other time of the year. Here's why our planet's axial tilt, not proximity to the ...

Scientists have identified the “mystery volcano” that erupted in 1831 and cooled Earth’s climate. They have linked it to an ...

The annual average temperatures in the Northern Hemisphere came down by around 1 degree Celsius during one of the most ...

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Last night, the sun and Earth collaborated to give us a light show that no fireworks display could rival. Happy New Year!

When one of the poles points more toward the Sun than the other pole, that half of the planet gets more sunlight than the other half, and it’s summer in that hemisphere. When that pole tilts away from ...

Earth will reach its closest point to the Sun, an astronomical event called Perihelion Day. This annual occurrence happens every January and offers a fascinatin ...

A massive geomagnetic storm could make the Northern Lights visible across wide swaths of the northern United States, but ...

Nearly two centuries after a massive volcanic eruption cooled Earth’s climate, scientists have identified the source: the ...