The rate of stars going supernova near Earth appears to match two mass extinctions -- 372 million years ago and 445 million ...

A new study by Rice University researchers Sho Shibata and Andre Izidoro presents a compelling new model for the formation of ...

The results revealed that super-Earths primarily form through planetesimal ... Instead, exoplanets tend to cluster into two size groups: roughly 1.4 and 2.4 times Earth's size.