Morning Overview on MSN
A hidden world? Astronomers may have found a new solar system planet
Astronomers are closing in on one of the most tantalizing possibilities in planetary science, evidence that a previously ...
A newly discovered exoplanet is rewriting the rules of what planets can be. Orbiting a city-sized neutron star, this ...
The Space Race on MSN
Scientists discovered a possible new planet in our solar system
Astronomers are once again questioning whether our solar system is complete. Subtle gravitational effects suggest something ...
LONDON — The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper's authors have ...
From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.
The newly identified cluster of Kuiper Belt objects lies about 4 billion miles from the Sun, offering fresh clues about how ...
With sapphire waterfalls, lava rain and orbits around dead stars, these distant worlds push the limits of what’s possible.
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