Automobiles

Editor's Note: Veteran science journalist Philip Hilts is working and diving with a team of archeologists, engineers and divers off the shore of Antikythera, a remote Greek island, where a treasure ship by the same name sank in 70 B.C.

Smog and soot top the list, even though there are remedies for both

Robot octopuses can already walk, jet along and even grasp tools. But new advances have these machines swimming faster than ever. And thanks to the addition of soft, fleshy webs, they’re starting to look—and move—much more like the real thing, too.

As world leaders gathered at the U.N. to talk about global warming, mayors set about actually doing something about climate change

I heard a screwing noise as the hatch of our sub was sealed. A bright orange hose from topside that had been inserted into the sub to blow fresh air as we loaded had been removed, and the interior felt warm and damp and close.

Tonight, Google will announce the winners of its fourth annual Google Science Fair, which Scientific American co-sponsors. Watch the awards ceremony here live.

A new report argues that batteries from old electric cars could help the Golden State store electricity from sunshine and wind

A new report shows how autonomous and connected car technologies could begin to reduce the amount of pollution put out by vehicles

An Arizona company is the first to use 3-D printing to make a car

Nevada Governor Brian Sandoval signed a package of bills on Thursday to provide $1.3 billion in tax breaks and other incentives for Tesla Motors, putting a bow on the deal for the electric car company to build a massive factory in the state. Sandoval said the agreement has "changed the trajectory of our state forever" during the signing ceremony late on Thursday, shortly after the four bills were unanimously passed by both legislative chambers.

Petroleum product exports are on track for another banner year, with total exports climbing to a 3.7 million barrels per day (bbpd) average for 2014 from just under 3.5 million bbpd in 2013. However, on the East Coast, imports for some fuels increased by almost 50% in the first half of 2014.

Driverless cars came to the forefront of transportation discussions this weekend when General Motors CEO Mary Barra announced her company's plan to add "hands-free and feet-free" driving capabilities to some 2017 models.