After becoming the first American woman in space, she went on to inspire kids to learn about science and coauthor a book about climate change.
Traditional fossil-fuel-based power generation requires an enormous amount of water. No water, no power.
Cook your meat, America.
Science: Harder for people who aren't scientists.
But the political value to the Republican party was priceless.
House Republicans are pushing a bill that would ban any new major regulations until unemployment drops below 6 percent. Really.
Reading the papers this weekend probably made you thirsty.
More and more unusually colored lobsters are being reported, as stocks in Maine spike and those in Connecticut plummet.
Green investment increases the resale value of a house by 9 percent; it pays the government 10 percent on its solar tax credit.
We've devised the world's shortest survey to find out what kind of actions our readers are taking. You know you want to.