You probably aren't going to tango with a tiger shark anytime soon -- but David Shiffman does it on a weekly basis, for science.
Here's what the science says.
A new study shows it's not just hippies who distrust vaccination.
The Model S P85D scored a logically impossible 103 out of 100 in a Consumer Reports evaluation.
Jindal asks Obama to "not insert the divisive political agenda of liberal environmental activism" into his remarks. Obama is ignoring him.
Melina Laboucan-Massimo is leading the fight against tar-sands development in Canada -- and for the rights of indigenous women.
New research finds that seas have risen by an average of three inches over the past two decades, and they're only going up.
Andrew and Sophie never planned to be commercial fishermen -- but they tried it for a summer. Here's what they learned.
There are many ways to juice your gadgets without throwing away mountains of dead batteries. Umbra charges through the options.