Astronomers have found a new and more accurate way to measure the ages of huge groups of stars called globular clusters.
Scientists have found new evidence that bottlenose dolphins may address each other by name.
Mate selection is tricky business. Here's how one amphibian merges two senses to narrow down its options.
Scientists have a new estimate for the geological age of one of Mercury's oldest regions.
New fossils unearthed in China cast light on the evolution of today's fliers.
Scientists are devising tiny robots in order to better understand insect flight.
The protein myoglobin provides new clues to the evolution of diving in mammals.
NASA's Curiosity rover has found evidence for life-supporting conditions on ancient Mars.
Rats have a strikingly different visual system than our own, one that is carefully attuned to their unique needs.
The Kepler space telescope has shown us that we live in a galaxy full of Earth-sized planets.