Science

Mysterious high-energy particles known as cosmic rays zip through space at a wide range of energies, some millions of times greater than those produced in the world’s most powerful atom […]

When do we decide it’s OK to tell a lie? Perhaps when we see people in positions of power doing the same. A new study finds that individuals are more […]

Thoroughly smashing a distance record set just last year, astronomers have discovered a galaxy that lies 13.4 billion light-years from Earth—and thus shone forth when the universe was less than […]

For most creatures, oxygen is life. But biology is complicated, and researchers hoping to treat diseases in which our cells’ energy-providing machinery is faulty now suggest the opposite may also […]

It’s one of the big mysteries of cell biology. Why do mitochondria—the oval-shaped structures that power our cells—have their own DNA, and why have they kept it when the cell […]

Insects, whether they creep or fly, live in a world of hard knocks. Who has not stepped on a cockroach, then raised her shoe to watch the creature get up […]

Catching a yawn is more likely to occur between relatives than strangers, and scientists believe it’s sign of empathy. A new study suggests that women (traditionally branded the more empathetic […]

Is my yellow the same as your yellow? Does your pain feel like my pain? The question of whether the human consciousness is subjective or objective is largely philosophical. But […]

It’s no mystery why carbon dioxide (CO2) levels fluctuate with the seasons: As greenery grows in the spring and summer, it soaks up the planet-warming gas, and when trees shed […]