The powerful earthquake occurred at 8:28 a.m. local time near New Zealand's Kermadec Islands.
Scientists have puzzled over what caused the "snowball Earth." Now they say an evolutionary shift was to blame.
The planet has endured far more dramatic climate change in the past fueled by other forms of life. But rarely if ever has the change been so rapid.
Negative effects from one of the most widely used herbicides in the United States could cascade through the aquatic food chain and even reach seafood eaters, new research finds.
Tree growth in temperate forests is driven by availability of water and not by temperature as previously thought.
Cloud forests actually may see brighter light levels than sunny forest expanses, but despite this are surprisingly tolerant of drought, new research finds.
NASA has released a series of images that illustrate how the Earth's plant growth has changed over the past 11 years.
The planet might once have been dominated by microbes that used a molecule other than chlorophyll to harness Sunâ€™s rays.
Industrial pollution, if not curbed, could devastate marine organisms by the end of this century, a new report warns.