Mexico jaguar population grows 20% in eight years

Mexico's population of wild jaguars has grown 20 percent in the past eight years, according to a study released Thursday, a bit of good news for an iconic species whose numbers have been declining.

Rate of scientific breakthroughs slowing over time: Study

The rate of ground-breaking scientific discoveries and technological innovation is slowing down despite an ever-growing amount of knowledge, according to an analysis released Wednesday of millions of research papers and patents.

Beyond milkweed: Monarchs face habitat, nectar threats

In the face of scientific dogma that faults the population decline of monarch butterflies on a lack of milkweed, herbicides and genetically modified crops, a new Cornell University study casts wider blame: sparse autumnal ...

Mexico scrambles to save world's smallest porpoise (Update)

Mexican authorities and scientists are scrambling to save the world's smallest porpoise, the vaquita marina, from extinction, capturing illegal "ghost" fishing nets while hoping to make specimens reproduce in captivity.

Monarch butterfly numbers drop by 27 percent in Mexico

The number of monarch butterflies wintering in Mexico dropped by 27 percent this year, reversing last year's recovery from historically low numbers, according to a study by government and independent experts released Thursday.

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