Microbes on Mars pose risk to Earth
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Earth&#39;s defences may need to be boosted against the risk of potentially deadly microbes returning on board space probes sent to study Mars, according to leading scientists.
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Large colonies of micro-organisms living under rocks have been discovered in the most hostile and extreme regions of the Arctic and Antarctic - giving new insights on survival of life on other planets.
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Controversial claims again surface that Martian microbes hitched a ride to Earth on meteorites.
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The best way to make Mars habitable would be to inject synthetic greenhouse    gases into its atmosphere, researchers said Thursday.
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Ice caps are melting on both Earth and Mars. According to one researcher's controversial theory, this suggests that global warming has nothing to do with humankind.
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A controversial new study suggests Mars had an acidic ocean. The strange brew spiked with sulfates and iron could still have harbored life, scientists say.
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A frozen sea found on Mars is one of the most promising places to look for life on the Red Planet, scientists say.
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NASA is set to launch a robotic  spacecraft next month that will dig into the soil near the  northern pole of Mars to check for conditions favorable to  microbial life now or in the planet&#39;s past.
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It sounds like the plot for a scary B-movie: Germs go into space on a rocket and come back stronger and deadlier than ever. Except, it really happened.
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Finding could trigger recalculation of Earth's energy balance and help feed astronautsScientists have long assumed that fungi exist mainly to decompose matter into chemicals that other organisms can then use.
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Mars, the red planet, may not after all be the dead planet. New research yesterday by European scientists suggests that volcanoes on Mars last erupted only 2 million years ago and could erupt again.
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Colonies of microorganisms found thriving under rocks at the north and south poles are evidence that life can exist in harsh areas on Earth which may mimic conditions on Mars, scientists said Wednesday.
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The whale's tiny ancestor, how global warming may be hurting plants' carbon-fixing ability, and the mystery of Mars's missing limestone
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Advances in biotechnology are limiting the damage oil spills inflict, as scientists supercharge bacteria to devour petroleum. By John Gartner.
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NEW YORK: Photographs taken by a spacecraft orbiting Mars indicate that active volcanoes may still exist on the red planet, further eroding its image as a dead world and offering prime sites to prospect for signs of Martian life.
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You can learn a lot from a microbe. Right now, a tiny critter from the Dead Sea is teaching scientists new things about biotechnology, cancer, possible life on other worlds. And that's just for starters.
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PARIS - Water vapour and methane are concentrated in the same areas of the Martian atmosphere, a finding that hints at new ways to hunt for life on the planet, scientists say.