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Earth

Space

Fractured comet to make near-Earth pass today

Over the next two days a pair of comets will make dual close proximity flybys of Earth. It is theorized that at some point the comets had formed a single body, which may have fractured in two as it traveled through the solar system.Read More

Space

New study claims that the vast majority of Earth-like worlds do not yet exist

A newly-published NASA and Space Telescope Science Institute (STScI) study is asserting that roughly 92 percent of habitable worlds have yet to be created. The research draws on data collected by NASA's Hubble and Kepler space telescopes, with the aim of placing the creation of Earth, and the potential for advanced life in the greater context of the Universe.Read More

Science

Earth's magnetic field may be more than 750 million years older than previously thought

The Earth's magnetic field is crucial to life on the planet. It keeps out harmful solar winds, which would strip away our atmosphere and surface water and bombard us with radiation if left unchecked. A new analysis of zircon minerals suggests that the field originated at least 4.2 billion years ago – a hop after the planet formed in the geological timeline, and much earlier than previously thought.Read More

Environment

Researchers say Earth is entering a sixth mass extinction event

While there is still much conjecture about the causes of some mass extinctions, it is generally believed that they can occur when a biosphere under long-term stress is subjected to a short-term shock. In 1982, Jack Sepkoski and David M. Raup published a paper identifying five mass extinction events throughout Earth's history. Now a team of researchers claims that we are entering a sixth mass extinction event, which threatens our very existence.Read More

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