When astronomers announced Kepler-452b, they were not just adding another distant world to a growing catalog. They were ...

Astronomers Discover a Rogue Planet the Size of Saturn Drifting Through Our Galaxy ...

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 ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

How does a planet’s size influence its orbit around its parent star? This is what a recent study published in the Proceedings of the National Academy of Sciences hopes to address as a team of ...

Scientists on Earth use seismometers to get a more detailed picture of what the inside of the Earth is made of. Those seismometers record vibrations from earthquakes. The vibrations change depending ...