Updated: 1 hour 7 min ago
Secrets of a frozen moon, gravity playing tricks on galaxies, and the watery past of a desert world are spotlighted in this week's best space pictures.
Conservationists Dereck and Beverly Joubert are taking drastic steps in the face of rampant rhino poaching in South Africa.
Termites move a fourth of a metric ton of dirt to build mounds that can reach 17 feet (5 meters) and higher.
The Smithsonian is renovating its dinosaur hall, which means giant skeletons must come down.
Lack of funds, regulatory hurdles hold up game-changing therapies.
A massive births and deaths database reveals that cultural figures have migrated to cities in the same way for centuries.
Oklahomans and local officials are trying to understand and react to a spate of earthquakes linked to the energy industry.
A wooden ship unearthed at the World Trade Center site is dated to Revolutionary-Era Philadelphia, according to clues contained in tree rings.
Telling the story of the poisoned vines, an American crime writer finds redemption in a French village.
Researchers get the first measurements of wave heights in the Beaufort Sea north of Alaska, and they're big.
Astronomers have spotted two solar systems forming on a slant, thanks to the influence of each other's stars.
We encounter mazes every day when we navigate roads. But they are also a powerful tool for neuroscientists trying to figure out the brain.
In wildfire season, a few adjustments can be the difference between a saved and a destroyed home.
The deadly virus devastating West Africa likely will make it across the Atlantic, but the U.S. is better able to deal with it.
Global Tiger Day was created to promote conservation of Asia's most iconic cat.
A six-million-year-old piece of fossilized dung that sold for more than $10,000 at auction may not actually be of animal origin.
A lightning strike that left one man dead and 13 injured in Venice Beach is a rare event in Southern California.
The discovery of an octopus that lives in big groups is shattering even the most expansive ideas of known octopus behavior.
The Ebola virus has killed a Liberian doctor and infected two Americans in the worst-ever Ebola epidemic, which has now spread to Nigeria.
Amid volcanoes and climate zig-zags, an asteroid impact bumped off dinosaurs at a weak moment for the giant beasts.