Scientists have recently unveiled a remarkable discovery in the outer reaches of our solar system: a space fossil located 4 ...

The big question is: what exactly did New Horizons spot and discover as it flew through the Pluto System? Today, in the space world, let’s uncover Pluto’s secrets. Pluto was the last of the “classic” ...

The methane gas may constitute a rarefied atmosphere, or it may come from erupting plumes on Makemake’s surface.

Today, the dwarf planet Pluto orbits the sun from the edge of our solar system and its surface temperature is an inhospitable negative 378 to negative 396 degrees Fahrenheit. But a new study suggests ...

Astronomers are investigating a potential hidden planet, dubbed Planet Y, far beyond Neptune. Its gravitational pull is suspected to be causing unusua ...

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 ...