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Scientists have zeroed in on one apparent key to long life: an inherited cellular repair mechanism that thwarts aging and perhaps helps prevent disease. Researches say the finding could lead to anti-aging drugs.

A newly discovered dinosaur species that roamed the Earth about 200 million years ago may help explain how the creatures evolved into the largest animals on land, scientists in South Africa said Wednesday....

A molecule found in a curry ingredient can kill esophageal cancer cells in the laboratory, suggesting it might be developed as an anti-cancer treatment, scientists said on Wednesday.

Scientists investigating a large crater initially believed to have been caused by a meteorite said a closer analysis Monday revealed it was a hoax.

US scientists say they have discovered an antibody that could minimise the damage caused by major traumas.

A former U.S. government scientist who served in sensitive positions on classified aerospace projects has been arrested and charged with trying to deliver classified information to someone he thought was an Israeli intelligence official.

Global warming will leave the Arctic Ocean ice-free during the summer within 20 years, raising sea levels and harming wildlife such as seals and polar bears, a leading British polar scientist said on Thursday.

Scientists create a joint in the jaw from human adult stem cells, an advance which could revolutionize reconstructive surgery.

Three scientists who produced an atom-by-atom map of the mysterious, life-giving ribosome won the Nobel Prize for chemistry on Wednesday, a breakthrough that has been vital for the development of new antibiotics.

Scientists have reproduced the Shroud of Turin -- revered as the cloth that covered Jesus in the tomb -- and say the experiment proves the relic was man-made, a group of Italian debunkers claimed Monday.