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 ...
Amaze Lab on MSN

A CO2 Discovery on One of Pluto’s Moons Could Be Huge In Understanding the Former Planet

Pluto is no longer classified as a planet, it’s a dwarf planet, however, it still has five moons. Now astronomers say they ...
abc13

'Pluto' has hilarious reaction to discovery of new planet

The science community may be ecstatic over the discovery of a ninth planet, but the former planet "Pluto" had a totally different reaction. Hours after scientists announced there's solid evidence of ...
ScienceAlert on MSN

Planet Y: A Hidden Earth-Size World Could Lurk Far Closer Than 'Planet Nine'

A newly discovered warp in the outer Solar System may have been created by a small, rocky world, much closer to the Sun than ...
SaltWire

ATLANTIC SKIES: Move over 'Planet Nine', astronomers are now searching for 'Planet Y'

Our solar system now, once again, officially consists of only eight planets. Although largely debunked, speculation continued ...
AOL

Pluto's 'extreme cousin' is a dwarf planet found at the far reaches of our solar system

Earth has a newly-discovered neighbor in the solar system. But the heavenly body – possibly a dwarf planet à la Pluto – isn't a frequent visitor. Located beyond Neptune, its extreme orbit ...