Space.com

What's Hot This Week Comet Lovejoy Has Encounter With Sun Today: How to See It by Joe Rao, SPACE.com Skywatching Columnist Observers using extreme caution may be able to spot the comet. Alien Planets With No Spin May Be Too Harsh for Life by Nola Taylor Redd, SPACE.com Contributor Planets locked into keeping only one side facing their sun could be vulnerable to a process that could cause their climates to spiral out of control. Sponsored by: NASA Revises Plan to Buy Private Space Taxis Hubble Serves Up a Holiday Snow Angel