Astronomers are investigating a potential hidden planet, dubbed Planet Y, far beyond Neptune. Its gravitational pull is suspected to be causing unusua ...
Our solar system now, once again, officially consists of only eight planets. Although largely debunked, speculation continued ...
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 ...
The Daily Galaxy on MSN
A Mysterious Planet May Be Orbiting Farther Than Pluto — So Why Are We Still Blind to It?
Astronomers have identified a small but significant possibility that a Neptune-sized planet is quietly orbiting within the ...
Morning Overview on MSN
Mystery object discovered beyond Pluto’s edge
Scientists have recently unveiled a remarkable discovery in the outer reaches of our solar system: a space fossil located 4 ...
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