To green or not to green?
Plus the pentaquark
We've rounded up 2014's most mind-blowing images for your viewing pleasure
Thousands of prehistoric tracks are clustered in less than an acre of Western desert
A company plans to construct the world's largest solar power project ever, in the Sahara
With the Sahara desert rapidly encroaching on livestock-nourishing grassland, architect Magnus Larsson proposes a 3,728-mile-long barrier wall—built by bacteria
Huzzah for snow in June and ice in Florida!
New Mexico's high desert is a hotbed for electrical storms. Where better to camp among 400 lightning rods?
Envisat captures a beautiful palette (and not much else) in North Africa's 'Mountains of Hunger.'
Avoid politics with newts, mice, dogs, and more
If Mars is a little far, try scenic eastern Morocco.
Three Canadians beat the world record to the south pole
A satellite peers down on a hellish landscape in south-central Algeria
Our favorite images of the week
A Japanese study suggests looking at cute animal pics can help your concentration. We've thoughtfully provided some so you can test that out for yourself.
Behind the scenes at the DARPA Grand Challenge, the 142-mile robot race that died at mile 7
Behind the scenes in the race to develop a military vehicle that can drive itself.
Within 10 years, infantry soldiers will go into battle with autonomous robots close behind them. One day, they'll be fighting side-by-side
What happens after you die? Let this friendly savannah monitor lizard show you.
When it's 115 degrees in March, it might take a Hail Mary of a solution to help us