Super Earths, Gas Giants, Hot Jupiters, Exoplanets, Planet 9, Ice jets of Saturn's moon Enceledas...and more every day!
Universe Today: Published articles about space. Updated several times a week.
APOD: Astronomy Picture of the Day. Each day an astronomical image is displayed and a description is given by a professional astronomer.
Space.com: Published articles about space.
Hubble Space Telescope: Website of the Hubble Space Telescope. See a huge collection of astronomical imagery.
Chandra: Website of the orbiting space telescope Chandra.
Spitzer: Website of the orbiting space telescope Spitzer.
NASA Images Archive: A huge collection of NASA imagery.
Interview with Geoff Marcy: (Extrasolar planets hunter): Read an interview with Geoff Marcy, one of the world's leading extrasolar planets hunters!
STARS: Created by Jim Kaler, Prof. Emeritus of Astronomy, University of Illinois. This website covers more than detailed information about more than 380!
Astronomy Links: This is a site with a huge collection of astronomy links.