As the elders tell it, Raven the Creator had turned Earth from a frozen rock into a green garden. But as a reminder of the ice age, he caused every 10th black bear to be white. The formal name is ...

The center of the nebula is home to the white ... the Earth. They’re some of the densest objects in the universe, roughly 200 ...

We often focus on space observatories that peer beyond Earth. But the vast majority of satellites stare right back at us.