Astronomy Picture of the Day: The First Rocket Launch from Cape Canaveral

A new chapter in space flight began in 1950 with the launch of the first rocket from Cape Canaveral, Florida: the Bumper V-2.

Astronomy Picture of the Day: The Lonely Neutron Star in Supernova Remnant E0102-72.3

Why is this neutron star off-center? Recently a lone neutron star has been found within the debris left over from an old supernova explosion. The "lonely neutron star" in question is the blue dot at the center of the red nebula near the bottom left

Astronomy Picture of the Day: 55 Nights with Saturn

For 55 consecutive nights Mediterranean skies were at least partly clear this summer, from the 1st of July to the 24th of August 2018.

Astronomy Picture of the Day: The Light, the Dark, and the Dusty

This colorful skyscape spans about two full moons across nebula rich starfields along the plane of our Milky Way Galaxy in the royal northern constellation Cepheus.

Astronomy Picture of the Day: M33: Triangulum Galaxy

The small, northern constellation Triangulum harbors this magnificent face-on spiral galaxy, M33.

Astronomy Picture of the Day: The Sun's Spectrum with its Missing Colors

It is still not known why the Sun's light is missing some colors.

Astronomy Picture of the Day: Highlights of the North Autumn Sky

What can you see in the night sky this season? The featured graphic gives a few highlights for Earth's northern hemisphere.

Astronomy Picture of the Day: Rover 1A Hops on Asteroid Ryugu

Two small robots have begun hopping around the surface of asteroid Ryugu.

Astronomy Picture of the Day: Equinox: Analemma over the Callanish Stones

Does the Sun return to the same spot on the sky every day at the same time? No.

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.

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