Members of the Flat Earth Society claim to believe the Earth is flat despite scientists explaining how we know the Earth is round since the third century B.C.

Earth has a number of mini-moons and quasi-moons. Mini-moons are objects that orbit our planet. But they make for fickle fans: They tend to swing around Earth for only a matter of months. One example ...

Earth has a new friend — and it's been waiting for us to notice it for decades. In a new study published in the journal ...

Apophis will zoom safely past the Earth closer than the orbits of geosynchronous satellites on April 13, 2029. As well as the ...