The specs of the new planet, called Proxima b, sound much like Earth’s. It is 1.3 times the mass of the Earth or bigger. It is probably rocky, like Earth, and not a Jupiter-like ball of gas.

Proxima b is a fascinating target for study, and not just because it’s an Earth-like planet in the star system nearest to our sun. The planet has a mass around 1.3 times that of Earth, ...

The next star over has a planet that's kinda like ours. Astronomers just discovered the closest possible Earth-like planet outside our solar system. It orbits our closest neighboring star, Proxima ...

Humans are fascinated by the idea of Earth-like planets that could potentially support life. Now astronomers have officially announced that they’ve discovered the closest earth-like planet to date.

A quartet of Earth-like worlds, each about 20% to 30% the size of our planet, circle one of our closest stellar neighbors, a new study reveals. The rocky alien worlds are close enough that future ...

The James Webb telescope has made another stunning discovery -- this time of a massive planet that could potentially sustain ...

It may initially seem like a simple question, but determining which planet is closest to Earth is surprisingly tricky and can have multiple correct answers. When you purchase through links on our ...

Astronomers have discovered the youngest known Earth-sized planet circling a nearby Sun-like star. At just 400 million years old, the newfound world, named HD 63433 d, is more than 10 times ...