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Posts tagged Earth

September 8, 2016

 

Still image of the sun during a dynamic solar event as captured by an X-Ray Telescope

Thanks, Magnetic Field!

Why is there life on Earth? Water, a rocky surface, the right amount of distance, and ____________.

August 19, 2016

 

Comet Hale Bop

Is the Force of Gravity Increasing?

Is the force of gravity increasing? Find out on this Moment of Science.

January 25, 2016

 

trilobyte fossil

Great Big Disaster

Trilobites and 95 percent of marine creatures went the "way of the dinosaurs" during the Permian extinction, millions of years before dinosaurs existed.

January 11, 2016

 

ice sheet

Was Earth Ever a Snowball?

Geologists posit that Earth was once entirely covered by ice.

December 13, 2014

 

Earth as seen from space.

Searching For Water In Outer Space

Data from the Rosetta mission, the Mars rover and the Herschel space observatory point to water's extraterrestrial origins.

November 13, 2014

 

asteroid flying close to Earth

Giant Asteroid Headed Towards Earth!*

*Beware of alarmist headlines. The odds are slim when it comes to giant Earth-bound asteroids.

March 7, 2014

 

Trilobite fossil

A Change In The Air

Most of us take our oxygen-rich atmosphere for granted. Once upon a time, though, Earth's air was very different.

August 29, 2013

 

three astronauts waiting to go into space

Zero Gravity, Does It Exist?

Is there such a thing as zero gravity?

August 26, 2013

 

planets against a white background

The Color Of The Universe

Scientists have gathered detailed data measuring light from over 2,000 galaxies, some of which are up to several billion light years away from earth.

August 20, 2013

 

woman holding a small earth in her hand against a green background

Life On Earth May Have Begun With Amino Acids

According to another theory, life on Earth may not have begun with RNA but rather with amino acids able to fold into proteins in a high salt environment.

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