LOS ANGELES (Reuters) - NASA's Mars Phoenix Lander has sent
back the first-ever image of a speck of red Martian dust taken
through an atomic force microscope, shown at a higher
magnification than anything ever seen from another planet.
Astronomy Picture of the Day - Features a different image or photograph of our fascinating universe every day, along with a brief explanation written by a professional astronomer.
Hubble Space Telescope - official site. Features news and images of Hubble discoveries, as well as technology and operation overviews.
NOVA: Origins - explore new ideas about the origins of the universe, the earth, and life itself. From PBS.