As astronomers study an exoplanet called K2-18b, conflicting research reveals how difficult it is to find evidence of life ...

Arsia Mons, which dwarfs Earth's tallest volcanoes, and its two neighboring volcanoes are often surrounded by water ice ...

Arsia Mons, the southernmost of the Tharsis Montes trio, stands at an awe-inspiring 20 kilometers high, dwarfing Earth’s ...

It's an evocative idea that has long bedeviled scientists: a huge and mysterious planet is lurking in the darkness at the ...

Sen, a company based in London, provides views of Earth from orbit, with the hopes of making an experience usually reserved ...

As a result of the International Astronomical Union’s 2006 demotion of Pluto from planet to dwarf planet, our solar system ...

New research on the orbits of these mysterious asteroids near Venus stress the need for better space rock surveillance.

U.S. astronomers hunting for "Planet Nine" have instead stumbled on what appears to be a new dwarf planet in the solar system ...

A newly identified dwarf planet, named 2017 OF201, has been discovered in the distant outer reaches of the solar system.

Nightwish endured line-up changes and self-doubt to swing for the fences with 2015’s Endless Forms Most Beautiful ...