For the first time, researchers have been able to drill deep (more than 1,600 meters) into an ocean fault zone. [More]

Problem: you’re a fungus that can only flourish at a certain temperature, humidity, location and distance from the ground but can’t do the legwork to find that perfect spot yourself. Solution: hijack an ant’s body to do the work for you--and then inhabit it. [More]

The shuttle mission that didn't get off the ground until its sixth scheduled launch attempt earlier this month made it home much more smoothly, landing this morning during its first opportunity to do so. Endeavour returned to Earth at 10:48 a.m. (Eastern Daylight Time), touching down at Kennedy Space Center in Florida under blue skies. [More]

The shuttle mission that didn't get off the ground until its sixth scheduled launch attempt earlier this month made it home much more smoothly, landing this morning during its first opportunity to do so. Endeavour returned to Earth at 10:48 a.m. (Eastern Daylight Time), touching down at Kennedy Space Center in Florida under blue skies. [More]

In a new study, researchers have found that students who feel invulnerable, or invincible, to physical harm are unlikely to get an HIV vaccine. Alternately, students who feel invulnerable to psychological harm are more likely to get the vaccine.

The tubes that power X-ray machines are shrinking, improving the clarity and detail of their Superman-like vision. A team of nanomaterial scientists, medical physicists, and cancer biologists has developed new lower-cost X-ray tubes packed with sharp-tipped carbon nanotubes for cancer research and treatment.

Researchers have discovered an unexpected reservoir of monocytes in the spleen and found that these cells are essential to recovery of cardiac tissue in an animal heart attack model.

A higher density of blood vessels and other unique physiological features in the flight muscles of bar-headed geese allow them to do what even the most elite of human athletes struggle to accomplish -- assert energy at high altitudes.

The mechanism used by "natural killer" immune cells in the human body to distinguish between diseased cells, which they are meant to destroy, and normal cells, which they are meant to leave alone, has been revealed in new detail.

What's so great about sex? From an evolutionary perspective, the answer is not as obvious as one might think. A new article suggests that sex may have evolved in part as a defense against parasites.