These podcasts are commentary and discussions of images posted on the Astronomy Picture of the Day website.
In today's image, we see Valles Marineris, a great canyon stretching across the face of Mars. It is much longer than our own Grand Canyon on Earth,...
In today's image, we see the outermost planet in the solar system as see from behind by the Voyager 2 spacecraft in 1989. Voyager 2 is the only craft...
In today's image, we see dust clouds in the constellation of Cassiopeia, learning to new start formation. In addition, the dust will dim and redden...
In today's image, we see galaxies with shells of material around them which are likely caused by interactions with smaller galaxies which have been...
In today's image, we see comet Tsuchinshan-ATLAS in this image from last month when it was prominently visible in the sky. The comet has since faded...