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An international team of scientists has observed four super-massive black holes at the center of galaxies, which may provide new information on how these central black hole systems operate.

A group of European scientists say they have successfully connected a robotic hand to a man who had lost an arm, allowing him to feel sensations in the artificial hand and control it with his thoughts.

An international team of scientists is preparing to drill a 2.5-mile hold into the heart of a volcano that's showing signs of life again in Naples, Italy -- alarming some.

After a year's delay, scientists at the world's biggest accelerator have restarted an experiment to recreate "Big Bang" conditions that had sparked suggestions the earth would be sucked in by millions of black holes.

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.

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.