PhotoBlog on MSNBC has posted a fantastic selection of northern lights shots from the past few days, including Icelandic photographer Olafur Haraldsson's stunning time-lapse footage of the aurora's shimmering green glow. Check it out here.
Dr. John Curtis commented on the Trump Inauguration. Paul Guercio updated his presidential 'timetraks'. Marc Zicree discussed sci-fi and his projects.