Earth's first animals barely evolved until sex changed everything

Italian astronaut Luca Parmitano is hoping to bring a taste of his homeland to the Artemis III mission, which he will pilot near Earth in 2027 to test two lunar modules.

Uncrewed ground vehicles have already been tested for defending the front line by the Ukrainian military. Despite their limitations, these remotely controlled robots could be the deciding factor in many conflicts

A major study suggests glucosamine, a popular supplement for joint pain, could be linked to faster progression from mild cognitive impairment to Alzheimer’s disease. Researchers found a 25% higher likelihood of developing dementia among glucosamine users and uncovered biological clues that may explain why.

Ice splintered off the southern Patagonia glacier and drifted across a growing glacial lake.