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Space Exploration Dec 14, 2015

How does the sun produce energy?

There is a reason life that Earth is the only place in the solar system where life is known to be able to live and thrive. Granted, scientists believe that there may be microbial or even aquatic life forms living beneath ...

Earth Sciences Feb 1, 2018

Research suggests toward end of Ice Age, humans witnessed fires larger than dinosaur killer, thanks to a cosmic impact

On a ho-hum day some 12,800 years ago, the Earth had emerged from another ice age. Things were warming up, and the glaciers had retreated.

Earth Sciences Sep 16, 2009

Ozone hole smaller in 2009 than 2008: WMO

The World Meteorological Organisation said Wednesday that the ozone hole is expected to be smaller in 2009 than a year ago.

Earth Sciences May 30, 2013

Global warming caused by chlorofluorocarbons, not carbon dioxide, new study says

Chlorofluorocarbons (CFCs) are to blame for global warming since the 1970s and not carbon dioxide, according to new research from the University of Waterloo published in the International Journal of Modern Physics B this ...

Space Exploration Dec 7, 2015

Mars compared to Earth

At one time, astronomers believed the surface of Mars was crisscrossed by canal systems. This in turn gave rise to speculation that Mars was very much like Earth, capable of supporting life and home to a native civilization. ...

Space Exploration Dec 10, 2014

How was the Earth formed?

Just how did the Earth—our home and the place where life as we know it evolved—come to be created in the first place? In some fiery furnace atop a great mountain? On some divine forge with the hammer of the gods shaping ...

Environment Oct 26, 2018

Location of large mystery source of banned ozone depleting substance uncovered

The compound, carbon tetrachloride, contributes to the destruction of the Earth's ozone layer, which protects us from harmful ultraviolet radiation.

Earth Sciences Sep 4, 2017

Massive Antarctic volcanic eruptions linked to abrupt Southern hemisphere climate changes

New findings published today in the Proceedings of the National Academy of Sciences of the United States of America (PNAS) by Desert Research Institute (DRI) Professor Joseph R. McConnell, Ph.D., and colleagues document a ...

Astronomy Aug 18, 2020

Exploding stars may have caused mass extinction on Earth, study shows

Imagine reading by the light of an exploded star, brighter than a full moon—it might be fun to think about, but this scene is the prelude to a disaster when the radiation devastates life as we know it. Killer cosmic rays ...

Earth Sciences Sep 2, 2016

A strange thing happened in the stratosphere

This disruption to the wind pattern - called the "quasi-biennial oscillation" - did not have any immediate impact on weather or climate as we experience it on Earth's surface. But it does raise interesting questions for the ...

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