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By Pauline Askin SYDNEY (REUTERS) - In the pristine frozen continent of Antarctica scientists fear an alien invasion -- not from outer space, but carried in people's pockets and bags. Seeds and plants accidentally brought to Antarctica by tourists and scientists may introduce alien plant species which could threaten the survival of native plants in the finely balanced ecosystem. Invasive alien plants are amongst the most significant conservation threat to Antarctica, especially as climate change warms the ice continent, said a report in the Proceedings of the National Academy of Sciences Journal published on Tuesday.

Some cancer patients credit mind over matter in their survival, but experts warn against putting too much faith in attitude

Took your eye off your goal? Take these suggestions to get back on track. Becky McCray publisher of Small Biz Survival advises how to stay focused day to day

Dr. Jennifer Ashton profiles the survival story of one lucky college student who lost her legs and fingers to meningitis, a disease that can be easily prevented with a vaccine.

If you find yourself opting for a slice of cake over a piece of fruit for dessert, even though you know it's loaded with calories, it may not be your fault. A combination of bad news about the economy and your survival instincts may be to blame, according to a new study.

As children settle into their classrooms for the beginning of a new school year, parents steel themselves for the pending battle. Mothers and fathers know well that their youngsters would rather pay attention to one another than to the blackboard. But parents may not realize that the reasons children struggle with education lie deep in our evolutionary past

What does a bookworm have in common with a black-tufted marmoset? They both like a little quiet. Or so say scientists in the Royal Society journal Biology Letters

A new report out reveals that two new cancer drugs could extend the survival rate among patients suffering from the deadliest form of skin cancer, melanoma. Cynthia Bowers reports