In May 2020, astronomers for the first time observed a planet getting swallowed by its host star. Based on the data at the ...

The leading explanation for all of these mysteries is known as the giant impact hypothesis. According to this story, when the ...

Scientists have a theory that an ancient planet, called Theia, crashed into Earth more ... This magma formed pieces of rock that swirled around Earth's orbit, and eventually formed into the ...

These structures are theorized to contain remnants of Theia's materials ... the stars ‘Snowball Earth’: How volcanoes saved our planet from its deepest freeze in history ...

The heavy core of Theia sank deep into Earth, enlarging our planet's core ... And a big chunk remained in orbit. In as little ...