APOD: Astronomy Picture of the Day

What caused this outburst of V838 Mon?

NGC 253: Dusty Island Universe

This bright meteor streaked through dark

Eerie spires of rock rise from shore of Mono Lake in the

Why is there water on the Moon?

Will this dawn bring another nova?

Goodbye Earth.

What's happening at the center of spiral galaxy M83?

It looks like a ring on the sky.

What's 93 million miles away and still hurts your eyes when you look at it?

Cosmic dust clouds and embedded newborn stars glow

This beautiful telescopic skyscape features spiral galaxy NGC 918.

Where can a telescope take you?

The other side of Saturn's ring plane is now directly illuminated by the Sun.

Where do stars form when galaxies collide?

M7 is one of the most prominent

Stickney Crater, the largest crater on the martian moon Phobos,

A familiar sight to sky enthusiasts with even a small telescope,

Halloween s Moon

Our Sun may look like all soft and fluffy, but it's not.