As the tour guide for this Sunday’s Sagan Planet Walk approached the nearly 500 tourists, scientists, students and Ithaca residents gathered on the Commons, women shrieked and flashbulbs snapped.

A bow-tied Bill Nye the Science Guy joined other smarty-pants experts and climate scientists on the stage at the Boulder Theater this week for a lecture on “Climate Change on Earth and Other Planets.” ...

America's Favorite Teacher honors the educators who inspire, mentor, and shape the future every day. Teachers across the United States and most parts of Canada are invited to participate by creating a ...