Astronomers have found a new minor planet beyond Pluto. This object, named 2017 OF201, is quite large. It orbits far from the ...

A new dwarf planet, discovered beyond Neptune and described as Pluto's 'cousin,' could void the hypothesis of a Planet X in ...

In a thrilling development that challenges long-held assumptions about the outer reaches of our solar system, astronomers ...

Astronomers may be close to identifying a mysterious object in our solar system. New research points to a potential candidate ...

CAPE CANAVERAL SPACE FORCE STATION — The United Launch Alliance launched its Atlas V rocket as it carried Amazon’s Project Kuiper satellites from Space Launch Complex-31 on Monday night.

The discovery of water ice around a distant star is allowing scientists to study how the key ingredient for life is delivered ...

The world standard of mass is the kilogram, whose definition is based on the mass of a metal cylinder kept in France.Previously, the standard was based upon the mass of one cubic centimeter of water ...