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 ...

Two coronal mass ejections (CMEs) struck Earth’s magnetic field on New Year’s Eve, bringing out the displays of light in the ...

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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!

Aurora chasers are on high alert for powerful geomagnetic storm conditions on Dec. 30 and Dec. 31 with northern lights ...

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 ...

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

A strong geomagnetic storm could produce auroras across parts of the northern United States on New Year’s Eve.