Astronomy Picture of the Day: NGC 1672: Barred Spiral Galaxy from Hubble

Many spiral galaxies have bars across their centers. Even our own Milky Way Galaxy is thought to have a modest central bar.

Astronomy Picture of the Day: Comet 21P Between Rosette and Cone Nebulas

Small bits of this greenish-gray comet are expected to streak across Earth's atmosphere tonight.

Astronomy Picture of the Day: The Scale of the Universe - Interactive

What does the universe look like on small scales? On large scales?

Astronomy Picture of the Day: Aurora: The Frog's View

What does an aurora look like to a frog? "Awesome!" is the likely answer, suggested by this imaginative snapshot taken on October 3rd from Kiruna, Sweden.

Astronomy Picture of the Day: The Last Days of Venus as the Evening Star

That's not a young crescent Moon poised above the hills along the western horizon at sunset.

Astronomy Picture of the Day: Opportunity After the Storm

On Mars dust storms can't actually blow spacecraft over, but they can blot out the Sun.

Astronomy Picture of the Day: NGC 1898: Globular Cluster in the Large Magellanic Cloud

Jewels don't shine this bright -- only stars do. And almost every spot in this glittering jewel-box of an image from the Hubble Space Telescope is a star.

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

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