NASA researchers have identified Kepler 452b, the most Earth-like planet discovered to date, orbiting a sun-like star in the habitable zone. This video explains why the find matters and how upcoming ...

All seven roughly match the size and mass of our own planet and are almost certainly rocky. Researchers announced Wednesday the stunning discovery of seven Earth-like planets orbiting a small star in ...

Our solar system is a lot like the story of Goldilocks and the Three Bears. Planets that are located close to the sun can be too hot, while those located further from the sun can be too cold, making ...

Temperatures on the planet could make water theoretically possible. Astronomers are researching an Earth-like exoplanet that could contain water, according to NASA. The exoplanet, named TRAPPIST-1 e, ...

Three decades ago, in 1995, humankind discovered the first planet beyond the borders of our solar system. It's called 51 Pegasi b, and it spins around its main-sequence star (meaning not unlike our ...

Spotting Earth-like planets is nearly impossible with conventional telescopes, but researchers propose a bold fix: a rectangular design that can separate a planet’s faint glow from its blinding star.