The Walker S2 humanoid robot, which can change its own battery when it's running low on power, could potentially be left to run on its own forever.

Test your knowledge on all things science with our weekly, free crossword puzzle! Want to try luck with our previous ...

Weird makos filmed off the California coast in a new Shark Week show raise questions about what these sharks actually are.

A new executive order repeals a 52-year-old ban on commercial supersonic flights, while new technology can make supersonic flight quieter than ever before.

Experts have debated the meaning of this tomb offering for decades but generally agree it depicts some sort of ceremony or ...

​​In pursuit of prestige and riches, wealthy people across medieval Europe worked in vain to transmute everyday metals into ...