Sunday's event, known to astronomers as an occultation, is part of a series of such events of the moon engaging with this ...

The full harvest supermoon shone brightly in the night sky Tuesday evening. A partial lunar eclipse, with a “bite” taken from ...

Our newest contest category delivered a bounty of beautiful—and birdy—scenes for the judges to choose from. Here are some of ...

See 10 of the week’s most interesting images from around the world, as selected by Washington Post photo editors.

The partial lunar eclipse illuminated across the Americas, Europe and Africa from Sept. 17 through Sept. 18 CTK via AP The ...

A Mars scientist shares the inside story of the NASA Curiosity rover's poignant first photo of Earth and Mars moon Phobos ...

Over 50 years ago, NASA put a man on the moon — now they want to do it again. But to ensure the safety of their crew, they ...

One of the biggest and brightest moons of the year will be visible in the sky tonight as it nears its closest point to Earth.

From a solar eclipse to a dolphin-like nebula, these winning shots by astrophotographers from around the world depict the ...

September’s full moon delivers a rare trifecta for lunar enthusiasts: a supermoon, a partial eclipse and a harvest moon ...