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.
A new analysis of meteorite isotopes challenges long-held ideas about Earth’s origins, suggesting our planet may have formed ...
The universe is at it again; scientists have been baffled by a discovery that turns all the knowledge they have on planetary ...
How is it so abundant on our planet when it’s almost nonexistent throughout the rest of our solar system? Most scientists ...
Scientists have shown that Earth’s basic chemistry solidified within just three million years of the Solar System’s formation. Initially, the planet was barren and inhospitable, missing water and ...
Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with ...
Max Planck Institute for Extraterrestrial Physics scientists have been able to disentangle the X-ray glow originating in our ...
Earth Day is April 22, but activities begin this weekend. They include a festival featuring Washington’s favorite geologist, ...
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