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What might happen if Planet Nine exists?
Legend has it that somewhere beyond Neptune and Pluto, there is a ninth planet, with a mass that is five times greater than ...
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Some objects we thought were planets may actually be tiny black holes from the dawn of time
Scientists have discovered more than 6,000 planets beyond our solar system. What if some of them aren't planets at all, but ...
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What if Earth became a pulsar planet overnight?
The curious minds at What If explore the catastrophic scenario of Earth becoming a pulsar planet overnight, examining the extreme radiation, energy, and consequences for life.
Add Yahoo as a preferred source to see more of our stories on Google. An illustration showing Planet Nine, a hypothetical, undiscovered planet in our solar system. New research now suggests the ...
When you buy through links on our articles, Future and its syndication partners may earn a commission. A red giant star will consume planets close to it, but leave others just right for life. . | ...
An exciting new study titled "Soot Planets instead of Water Worlds", by Jie Li and associates, published in August 2025, challenges prevailing assumptions about the nature of many low-density ...
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