An international team has made a significant breakthrough in understanding the tectonic evolution of terrestrial planets.

There may be another world lurking between the orbital lines of our solar system. Astronomers in Japan have published their theory of an “Earth-like planet,” dubbed Planet Nine, that’s hiding in plain ...

About ten years ago, science writer Ferris Jabr started contemplating Earth as a living planet rather than a planet with life on it. It began when he learned that the Amazon rainforest doesn't simply ...

KOI 5715.01, a planet 3,000 light-years away, offers superior habitability to Earth with a longer-lived star and billions more years for life to evolve.

Astronomers are one step closer to learning whether there is life beyond Earth, following the discovery of an exoplanet that’s able to emit a “coherent” radio signal. A magnetic field on a planet is ...

An international team of scientists announced on Wednesday that they have discovered two new "super-Earth" planets just 100 light-years away. Both of them are significantly larger than our own planet ...

Unusual material discovered deep within the center of the Earth are the remains of an ancient planet that collided with Earth billions of years ago, scientists have found. The blobs of strange ...

A NASA mission has spotted an Earth-size exoplanet orbiting a small star about 100 light-years away. The planet, named TOI 700 e, is likely rocky and 95% the size of our world. The celestial body is ...

Scientists proposed a novel idea on Wednesday that could solve two of the world's mysteries at once — one that passes over our heads every night, and one that sits far below our feet. The first ...

Our planet set a record for completing one rotation faster than scientists had ever previously recorded, according to TimeAndDate.com. Earth rotated once around its axis on Wednesday, June 29, in 1.59 ...