A terrestrial planet hovering between Mars and Jupiter would be able to push Earth out of the solar system and wipe out life on this planet, according to a UC Riverside experiment.
Habitable zone' redefined for alien planets — and maybe life
How will life on Earth end?, world end
Looking for reasons to 'carpe annum' in 2017? Here are 5 events that could end life on Earth
How will life on Earth end?
75 Facts About Earth That Are Fun and Interesting - Parade
Life On Planet Earth to End Sooner Than Expected, Got Plans?
NASA probe to observe near-Earth asteroid's 2029 close encounter
solar system – Scientific Inquirer
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The 'killer' planet that could end life on Earth
An ocean of water is found 620 miles below Earth's surface
James Webb Space Telescope confirms giant planet atmospheres vary