"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

The natural world is full of striking landscapes that remind us of the immense power of time and geology. From water carving ...

Despite the vast differences in human and bee brains, both of us can do mathematics. As we argue in a new paper published in ...

The Xenomorph from the Alien film franchise is one of the coolest, most nefarious movie monsters ever hatched, with its acid blood, mouths-within-mouths, and diabolical claws. It pretty much ...

At first glance, the insect trapped in golden resin looked like any other tiny victim of deep time. Only under close ...

Is there an Outer SpaceX? With 3I/ATLAS set to fly by Earth in just over a week, experts continue to speculate over its origins. Harvard Scientist Avi Loeb believes that if aliens, the comet wouldn’t ...

Across towns and cities, the trees that define our neighborhoods, cool our homes, and help tie our landscapes together are disappearing one construction project and “routine” removal at a time. We ...

Arrow keys navigate the crossword squares. Enter cycles through the clues in the board (use shift-enter to cycle in reverse). Tab selects the clue list and then highlights each clue. Use Enter to ...