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Know what to expect on Feb. 17, 2026.

When the moon is nearly between Earth and the sun, one side of the moon faces the sun, and that side is illuminated, but the side the Earth sees is dark. This is called the new moon phase of the lunar ...

A February moon offers a practical preview of where to look for March's total lunar eclipse.

Space is theater. Perhaps the most dramatic spectacles human beings will ever observe are the result of the eternal dance among the cosmos’s moons, planets, stars, and more. A close-to-home sky show ...

There is a signal, born in the earliest days of the cosmos. It’s weak. It’s faint. It can barely register on even the most sensitive of instruments. But it contains a wealth of information about the ...