Almost 9% of hospital admissions in Australia should have been avoided, with highest rates among the oldest and most disadvantaged Australians.

Ancient aquatic amphibians developed the ability to feed on land before completing the transition to terrestrial life.

A new laser technique allows for instant detection of bioterrorism agents, permitting tests that previously were cumbersome or impossible.

A Merced company has recalled year-old hamburger meat distributed in California and elsewhere after at least three Napa County children became ill with a virulent strain of E. coli, health officials said Friday.

The new foods, including cinnamon roll ice cream, saffron-poached pears and cheesy broccoli rice balls, will be unveiled on April 24 to food industry representatives.

First direct evidence that remarkably long-lived wavelike electronic quantum coherence plays an important part in energy transfer processes during photosynthesis.

Stunning simulations that give a multi-dimensional glimpse into the interior of stars show that material bubbling around the convection zone induces a rich spectrum of internal gravity waves in the stable layers above and below.

Research has led to the discovery of a new genus and species of primate long vanished from the earth but preserved in fossil records.

Astronomers have found that the atmosphere of the Sun plays a kind of heavenly music. The magnetic field in the outer regions (the corona) of our nearest star forms loops that carry waves and behave rather like a musical instrument.