Thanks to new drone footage, killer whales have joined an exclusive club: the short list of animals that make and use tools.

Power-hungry AI and associated data centers could make the grid cleaner, eventually cutting more climate-change-causing ...

Astronomy fans can zoom in practically forever into the stunning first images from the Vera C. Rubin Observatory ...

This explorer spacecraft is heading to a rare asteroid with a naked metal core. It could hold clues to how Earth began ...