Moonquakes Surprisingly Common

Why are there so many moonquakes?

Astronomy Picture of the Day: Earthrise: A Video Reconstruction

About 12 seconds into this video, something unusual happens.

Astronomy Picture of the Day: Tiny Planet Timelapse

You can pack a lot of sky watching into 30 seconds on this tiny planet. Of course, the full spherical image timelapse video was recorded on planet Earth, from Grande Pines Observatory outside Pinehurst, North Carolina.

Astronomy Picture of the Day: Rocket Launch as Seen from the Space Station

Have you ever seen a rocket launch -- from space? A close inspection of the featured time-lapse video will reveal a rocket rising to Earth orbit as seen from the International Space Station (ISS).

Astronomy Picture of the Day: Rotating Asteroid Bennu from OSIRIS-REx

Could this close-by asteroid ever hit the Earth? Eventually yes -- but probably not for a very long time, even though the asteroid is expected to pass inside the orbit of the Moon next century.

Astronomy Picture of the Day: Sun Dance

Sometimes, the surface of our Sun seems to dance.

Astronomy Picture of the Day: Salt, Pepper, and Ice

There's a "camera" comet now moving across the sky.

Astronomy Picture of the Day: A Powerful Solar Flare

It was one of the most powerful solar flares in recorded history. Occurring in 2003 and seen across the electromagnetic spectrum, the Sun briefly became over 100 times brighter in X-rays than normal.

ماه آزادی

Composed of different exposures The camera did not move during photography

Lunar eclipse timelapse