Don Pettit packed a home-made tracker to space, allowing him to bless our timelines with long-exposure images.

A new photograph shared by NASA offers a peek at the breathtaking views seen from the International Space Station (ISS). The image shows off Earth's colorful airglow as well as two nearby galaxies, ...

In recent years, many amateur astronomers have added a new item to their toolkit: a smartphone. Here are one observer's ...

One possible reason why we haven't found any intelligent life in the cosmos the Great Filter argument, which says that very ...

Suspect in C.E.O.’s Killing Fights Extradition to New York Police say suspect in the United Healthcare killing saw himself as a hero fighting corruption. The suspect had discussed a series of ...