Of all the potential super-Earths—terrestrial exoplanets more massive than Earth—out there, an exoplanet orbiting a star only 40 light-years away from us in the constellation Cetus might be the most ...

Overnight, our planet has gone from a pale blue dot to a glistening white snow globe. Stretches of Earth have become frozen wastelands that are completely inhospitable. And billions of people have ...

Select an option below to continue reading this premium story. Already a Honolulu Star-Advertiser subscriber? Log in now to continue reading. The Snowball Earth hypothesis is still debated among ...

Illustration comparing the size of Earth (left) with the planet Jupiter. Jupiter is the fifth planet from the Sun, with an average distance from it of 5.2 times the Earth-Sun distance. Being a fluid ...

Between 640 and 720 million years ago, the Earth was covered in ice, snagging it the modern nickname “Snowball Earth.” Recently, researchers found a rock formation that shows the transition from a ...

700 million years ago, Earth was a giant snowball cloaked in ice from pole to pole. How did life manage to hold on through this deadly deep freeze, find creative ways to bounce back, and thrive in the ...