Destroyed by its Great Fire, Chicago quickly rebuilt, constructing the world's first skyscraper, becoming the fastest-growing ...

SpaceX on Thursday released the most detailed public update in nearly two years on its multibillion-dollar contract to land ...

SpaceX writes that the next-generation Artemis Moon missions are about laying the foundation for building a permanent ...

X Technologies is taking orders for a robotic household helper it thinks could change the world. Neo’s first chore? Learning how to do its job.

Humans evolved larger brains and flatter faces much faster than other apes, suggesting that intelligence shaped our skulls.

Speed in the animal kingdom comes in many forms, from powerful land sprints to lightning-fast dives beneath the waves.

Nature has become a rounding error on a planet dominated by humanity, and for some things we don’t even need our machines to do it.

Even the most elite endurance athletes can’t outrun biology. A new study finds that humans hit a metabolic ceiling at about 2.5 times their resting energy burn. When ultra-runners take on races that ...