The new arachnid was discovered in its underground lair, a limestone cave.
The first five monkeys were released in early September, a key moment in a program that has been in the works since 2010.
The animal lives only in one mountainous region and requires a cold, humid environment.
Two frogs are among the most venomous in the world, a scientist accidentally discovers after suffering a painful encounter with one of the deadly amphibians. →
Cleaning up the dangerously polluted Guanabara Bay in the next year for sailing events is the biggest challenge facing Rio de Janeiro Olympic organizers.
The U.S., Brazil and China all released major commitments to reduce or at least slow their greenhouse gas emissions. Continue reading →
None of the seven new species found in Brazil's cloud forests are bigger than an adult thumbnail.
Who needs cupid when you have built-in arrows to attract the opposite sex?
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