Astronomers discover the smallest planet outside our solar system, and for the first time can be certain it is rocky rather than gaseous, Nasa's Kepler team reports.

Scientists at Queen's University have developed a new technology that will make shellfish safer to eat.

People who recover from swine flu may be left with an extraordinary natural ability to fight off flu viruses, scientists say

A space telescope designed to probe the farthest reaches of the cosmos has spotted beams of antimatter streaming from thunderstorms on Earth.

The General Pharmaceutical Council drops charges against pharmacies alleged to have advised people to take homeopathic remedies for malaria, BBC News learns.

The world's earliest known wine-making facility is discovered in Armenia, archaeologists say.

China has conducted the first test-flight of its J-20 stealth fighter, Chinese President Hu Jintao has confirmed to US Defence Secretary Robert Gates.

A major US report into the Gulf oil spill calls for wide-ranging reforms of the oil industry and updated regulations to prevent another disaster.