The adaptation of Andy Weir’s best-selling novel succeeds by making us care about its hero, a sartorially challenged teacher ...

You probably studied the "regular" periodic table in school—but did you know there are more versions of the periodic table ...

The “alien” is actually a potato. Specifically, it is a purple tuber nicknamed Spudnik-1, grown and photographed by Pettit.

Scientists have uncovered a surprising way to study the harsh space weather around young M dwarf stars. Mysterious dips in ...

The internet did a double-take after NASA Astronaut Don Pettit shared a photo from the International Space Station that looked, at first glance, like something from a sci-fi movie. The purple, ...