Interjections — one-word utterances that aren’t part of a larger sentence — used to be dismissed as irrelevant linguistic ...

Opting against vaccines may uphold ideas of personal freedom, but it has doomed the county at the center of the Texas measles ...

Whether aliens could detect our modern civilization depends on what signs they’re looking for—and, crucially, their distance ...

NASA’s SPHEREx mission will survey the entire sky in 102 different “colors” of light, offering scientists an unprecedented ...

The delivery of disaster aid is on the Government Accountability Office's High-Risk List for the first time as ...

On a low hill near the coast of Maine, the fresh petals of double daffodils shake frills of gold and peach in a gusting breeze. It is the middle of May, a clear blue sky overhead, and the lacy ...

The Atlantic Meridional Overturning Circulation likely won't completely collapse with global warming, but any weakening could ...

The overly sterile environment of the International Space Station is missing important microbes, a new detailed map shows. If ...

The findings also suggest that air quality may be having a more profound effect on exercise than previously thought.

Scientists studying a centuries-old mystery of physics suggest two “arrows of time” control the evolution of quantum systems ...

A nearly century-old offshoot of Einstein’s general theory of relativity may hold promise for solving the mysteries of dark ...

The Trump administration’s moves to slash Forest Service personnel and pause wildfire-related grants have left states to pick ...