What If on MSN

How many Earth-sized planets fit inside the solar system’s giants?

The Solar System is far more diverse in size than it appears from Earth. From tiny rocky worlds to massive gas giants, each ...

These planets are 1,000 times bigger than Earth, but lighter than cotton candy: study

About 1,113 light years away from Earth, locked in orbit around a single star, there are two planets that appear to be the ...

Earth-size planet found in TOI 700 system's habitable zone

NASA’s Transiting Exoplanet Survey Satellite (TESS) has been used to discover Earth-size planet TOI 700 e. It is "orbiting ...
ABC7 San Francisco

Earth-size planet that may support water found 100 light years away

NASA scientists announced Monday that they had found the first Earth-sized, potentially habitable planet. The planet, currently known as TOI 700 d, is about 100 light years away. It is orbiting a star ...
The Weather Channel

2014: First Earth-Size Planet In The Habitable Zone Of Another Star Discovered

Eleven years ago today, NASA made an intriguing announcement. Using the Kepler space telescope, the agency had discovered an exoplanet the size of Earth located in the habitable zone of another star.
ABC30 Action News

7 Earth-size worlds that could hold life found orbiting star, NASA says

CAPE CANAVERAL, Fla. -- For the first time ever, astronomers have discovered seven Earth-size planets orbiting a nearby star - and these new worlds could hold life. This cluster of planets is less ...