Earth, dubbed Kepler-725c, has been discovered orbiting within the habitable zone of its host star, offering new ...

Imagine a world where humanity doesn't have to worry about the end of Earth. Could there really be a new planet just like our ...

Kepler-725c is roughly 2,472 light years from Earth, circling a G9V star in about 207.5 days. Its path brings it into a ...

With 10 times the mass of our planet, and spending only part of its orbit in the habitable zone, Kepler-725c is very ...

A potential new dwarf planet has been discovered in the outer reaches of the solar system, and its existence poses the ...

An international team of astronomers led by the University of Galway has discovered the likely site of a new planet in ...

Scientists have discovered a colossal object approximately 435 miles wide in the frigid outer reaches of our solar system, which may qualify as a dwarf planet. Named 2017 OF201, this ...

For the unversed, "Planet Nine" is a hypothetical planet which is reportedly larger than Earth that is thought to orbit ...

The newly discovered planet orbits a Sun-like star and might support liquid water, but don’t pack your bags just yet.

A team of astronomers believe they may have discovered a new dwarf planet—just like Pluto—on the edge of our solar system.

The discovery challenges the Planet Nine hypothesis, which suggests a massive, unseen planet is influencing the orbits of distant TNOs. While most extreme TNOs show a clustered pattern that supports ...

In the cold, distant reaches of the Solar System, far beyond Pluto, astronomers have just identified what could be a new ...