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Surviving Below Freezing
Topic: Extreme Life
Scientists have documented how a leech is able to survive cycles of freezing and thawing, and temperatures as low as -196°C.

Microbes, How Low Can You Go?
Topic: Extreme Life
It seems like anywhere you look on Earth, microorganisms are there – even kilometers beneath the Earth’s surface where sunlight never reaches. Scientists are just beginning to understand Earth’s deep subsurface biosphere, but a new study might help determine just how far down microbes can go on our planet. The results could also shed light on the potential for life’s origins in the deep, dark Earth.

New Species of Sea Anemone Found in Antarctic Ice
Topic: Extreme Life
In 2010, a team of scientists discovered a new species of sea anemones beneath Antarctica's Ross Ice Shelf. The new anemones are the first known to live in ice.

Lichen on Mars
Topic: Extreme Life
Astrobiology's study of life in the universe has much to say about how humans live sustainably on Earth.

Dining on Methane in the Cold, Dark Sea
Topic: Extreme Life
Scientists have performed a detailed analysis of the biochemistry that allows microbes to survive in extreme cold on the ocean floor around methane seeps.

Glassy Coating Keeps Viruses Happy In Harsh Environments
Topic: Extreme Life
Viruses can coat themselves in silica glass to protect themselves, like donning a suit of armor. This finding has implications for the search for life on other planets such as Mars.

A New Microbe Living in Spacecraft Clean Rooms
Topic: Extreme Life
Scientists have discovered a new, previously unidentified microbe living in spacecraft assembly clean rooms in Florida and South America.

Novel Worm Community Affects Methane Release in Ocean
Topic: Extreme Life
In 2006, a multinational crew of scientists discovered methane seeps in the Pacific that were unlike seeps seen anywhere else. The sites support a unique food web dominated by worms that feed on methane-filtering microbes.

Exploring the World of Life Underground
Topic: Extreme Life
Future life-seeking missions on other worlds may be in for a tough time if all evidence of past or present life is below the surface. In a talk at given for the STScI Astrobiology Lecture Series, Jan Amend discussed how his team is taking the next step in studying microbes that have conquered the subsurface of the Earth, and how techniques will need to be perfected before they can be successfully used on another planet.

Travelogue from Young Researchers in the Field
Topic: Extreme Life
The Lewis and Clark Fund for Exploration and Field Research in Astrobiology fosters the "pioneering" efforts of graduate students and post-doctorate researchers as they step out of the lab and into the field.
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