The Canadian astronaut didn't just tweet and sing his heart out during his five months as commander of the International Space Station. He also took time out to show the world what it's like to eat up there.

A new report makes the case that insects may be essential to feeding a planet of 7 billion people. Why? They're nutritious, better for the environment than other protein sources and can generate jobs, according to the U.N.'s Food and Agriculture Organization.

The Supreme Court on Monday ruled unanimously in favor of Monsanto in a case that involved the company's patents for genetically modified soybeans. We explore what the ruling means for the future of our food system.

The apple trees are heading for full blossom in Michigan, after a disastrous 2012 crop, when only 15 percent of the apples survived. But this year's harvest is expected to set records, as growers say they've had a chance to update equipment and the trees have stored up extra energy.

Now we know why it takes astronauts three hours to get into their spacesuits.