Charitable giving ought to be something we applaud—but in some cases it gets exactly the opposite reaction
Breathaking Panoramas and Mosaics From Opportunity’s Decade on Mars
Ten years after bouncing down on the Martian surface, a golf-cart-sized rover is still hard at work
Climate Change Could Melt the Winter Olympics
Athletes are getting ready for a warm, soggy Winter Games in Sochi. But thanks to global warming, that could soon be the norm for the Winter Olympics. by mid-century, close to half of the previous host cities could likely be too …
Hundred Years of Dry: How California’s Drought Could Get Much, Much Worse
Scientists fear California’s long-ago era of mega-droughts could be back
Old Mars Rover Finds New Signs of Life
The Opportunity rover, still chugging across Mars after 10 years, has found that the planet might have been surprisingly biology-friendly
January Hasn’t Been As Cold As You Think
Many Americans may be freezing now, but the data shows January hasn’t been that frigid
The Asteroid That Thought It Was a Comet
The difference between an asteroid and a comet was always thought fixed—but now a new paper says the two celestial bodies may be more similar than we thought
The Mystery of Sloth Poop: One More Reason to Love Science
A long-puzzling relationship among sloths, moths and algae at last has an answer
How a Plant Virus May Help Cause the Beepocalypse
A new study finds that a plant pathogen could play a role in honeybee colony collapse disorder
Bill Gates Talks to TIME About the Three Myths of Global Aid
The philanthropist explains why a reduction in child mortality hasn’t led to an increase in population growth