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Solar eclipse

1919 eclipse

Why we still remember a ‘relatively’ important eclipse nearly a century later

Technology

In 1919, a total solar eclipse confirmed a prediction in Einstein’s theory of general relativity.

A United States map showing the path of totality (dark grey) for the August 21 total solar eclipse.

What’s your game plan for the Great American Eclipse?

Science
A composite image of a partial (left) and total (right) solar eclipse, taken in March 2015.

What you need to know about this month’s total solar eclipse

Science
The shadow of the moon

What solar scientists will be watching for in this summer’s total eclipse

Science
A view of the eclipse on Sept. 1, 2016.

What a solar eclipse and laser physics could teach us about malaria-carrying mosquitoes

Science
Woman observing partial solar eclipse in Moscow

There’s nothing like an eclipse to make Russians feel closer to the West

Science

Even if you didn’t get to see the solar eclipse, you might get misty-eyed when you hear the reactions of Moscovites who did see it: “You understand that there’s no need for war, we need to live in peace under this beautiful sky.”

Lunar eclipse

This year’s October sky should be pretty cool — starting this morning

Science

Cool nights and colorful leaves are not the only highlights of fall this year. The sky will offer some unique beauty of its own.