What If on MSN
What if there was a second Earth in our solar system?
In 2015, NASA’s super powerful Kepler Space Telescope discovered the closest copy of Earth to date. It’s called Kepler-452.
The eROSITA spacecraft has built the most precise map of soft X-rays over Earth, observing a fascinating phenomenon driven by ...
Easy: Venus is the weirdest planet in the solar system. The most distant major planet from the sun and the last stop before ...
The interstellar comet 3I/ATLAS was the third object ever discovered in our solar system that originated from another star system. Despite a viral conspiracy theory, NASA officials have repeatedly ...
Max Planck Institute for Extraterrestrial Physics scientists have been able to disentangle the X-ray glow originating in our ...
Rather than slowly condensing over millions of years, the first building blocks of Earth and other planets may have formed ...
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