Morning Overview on MSN

Planet 9 is still invisible, but the numbers won’t let it go

Far beyond Neptune, something heavy appears to be tugging on the outer solar system, bending the paths of distant icy worlds ...
Inverse

Planet 9: Why 2029 is crucial for studying the Solar System's most controversial orb

Object 90377 Sedna — a distant trans-Neptunian object known best for its highly elliptical, 11,390-year-long orbit — is currently on its way towards perihelion (its closest approach to the Sun) in ...
Yahoo

Planet Nine: Is the search for this elusive world nearly over?

Scientists think there may be a ninth planet hiding in the distant reaches of the solar system — and a new telescope could finally prove its existence. | Credit: Nicholas Forder for Live Science Deep ...
Morning Overview on MSNOpinion

Sedna’s 11,400-year orbit just opened a rare exploration shot

Sedna is drifting into a part of its path where human technology can finally contemplate catching up, and that window will ...
Forbes

NASA To Sedna? The ‘Pluto-Killing’ World That Orbits Our Sun Every 11,408 Years Is Almost In Range Say Scientists

A rendering of the farthest object in our solar system, Sedna, is seen. Sedna is a mysterious planet-like body three times farther from Earth than Pluto. What’s three times further out than the planet ...
revistapesquisa.fapesp

Far reaches of the Solar System could be home to another planet

After Pluto was stripped of its planetary status in August 2006 by the International Astronomical Union (IAU)—on the grounds that it was too similar to newly discovered objects beyond Neptune’s ...
NPR

After Sedna Discovery, Defining What Makes a Planet

NPR's Madeleine Brand talks with NPR's Ira Flatow, host of Talk of the Nation Science Friday, about this week's announcement of the discovery of a new "planetoid" astronomers have dubbed Sedna. This ...