Briefing

There’s an argument rumbling about why our ancestors evolved language. And surprisingly, one of the possible explanations has nothing to do with communication

From acquaintances to besties, our relationships fall on a wide continuum. Research into the ingredients for meaningful and lasting connections can help you strengthen them

From four-dimensional hexagons to the mind-bending amplituhedron, geometrical shapes are wilder than we learn at school – and they are a crucial tool for understanding reality

Two life forms living together helped spark the evolution of all complex life. By learning to appreciate this process more fully, we might be able to harness it to heal our planet too

We have discovered legions of strange particles that seem to only have a ghostly existence inside materials. Even so, they are the basis of much modern technology – so are they actually real?

Astronomers have been trying to detect atmospheres on planets orbiting TRAPPIST-1, but bursts of radiation from the star make this challenging

Drone footage has captured killer whales breaking off stalks of kelp and rubbing the pieces on other orcas, a rare case of tool use in marine animals

“The word ‘absurd,’ in our everyday language, is crazy, stupid. But absurd can also mean outlandishly true.”

Former NASA astronaut Terry Virts is running for a U.S. Senate seat in Texas.

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