For generations Pluto stood as the mythic ninth planet until a scientific revolution shattered that legacy and transformed it ...
CAPE CANAVERAL, FL -- Come Tuesday, Clyde Tombaugh will pass within 7,800 miles of the icy world he discovered 85 years ago. His ashes are flying on NASA's New Horizons spacecraft on humanity's first ...
For the first time in years, astronomers are seriously talking about adding a new member to the solar system’s planetary ...
The historic Lowell Observatory announced this week that it will drastically reduce internally funded research and shrink its ...
Nearly a century after Pluto’s discovery, astronomers are still searching for mysterious planets beyond Neptune - including a ...
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 ...
Since Pluto's discovery in 1930, there have been nine planets in the solar system, but a year ago, scientists at the California Institute of Technology said there were ten. An object they called Xena ...
Pluto's largest moon, Charon, likely formed through a capture event in the early, crowded Kuiper Belt. Three-body encounters ...