Planet Earth at Blue Hour

Nature photographers and other fans of planet Earth always look forward to the blue hour.

Da Vinci Rise

An old Moon rose this morning, its waning sunlit crescent shining just above the eastern horizon before sunrise.

Atlas at Dawn

This single, 251-second long exposure follows the early flight of an Atlas V rocket on August 8.

Chandrayaan 2 Launch

On July 22nd this GSLV (Geosynchronous Satellite Launch Vehicle) MkIII rocket vanished from sight into a cloud bank an instant after this dramatic snapshot was taken.

Zodiacal Road

What's that strange light down the road?

Sunset Analemma

The Sun reaches the northernmost declination in its yearly journey through planet Earth's sky.

A Triangular Shadow of a Large Volcano

Why does the shadow of this volcano look like a triangle?

Astronomy Picture of the Day: Good Morning Leonid

On November 17, just an hour before sunrise, this bright and colorful meteor flashed through clear predawn skies.

Astronomy Picture of the Day: Window Seat over Hudson Bay

On the August 18 night flight from San Francisco to Zurich, a window seat offered this tantalizing view when curtains of light draped a colorful glow across the sky over Hudson Bay.

Astronomy Picture of the Day: Red Planet, Red Moon, and Mars

Mars is also known as The Red Planet, often seen with a reddish tinge in dark night skies.