Humans have been in space onboard the ISS continuously for 25 years. As the station nears its end, new commercial habitats ...

A large new study reveals how early relationships with parents and friends influence how we relate to those closest to us in adulthood ...

Lightning flashes in the eyewall of Category 5 Melissa are a marker of how strong the storm is. It reached a central pressure ...

Hurricane Melissa’s powerful winds and drenching rains devastated Jamaica. But is its wrath a sign that we need a new ...

To celebrate Scientific American ’s 180th anniversary, we’re publishing jigsaw puzzles to show off some of our most ...

An analysis suggests Nanotyrannus is a separate, smaller dinosaur that lived alongside T. rex, settling a 30-year debate ...

Horror movie composers use musical tricks to hijack your nervous system and put you on edge The iconic shower scene in Psycho ...

A nearly perfect alignment of factors has enabled Hurricane Melissa to become one of the most intense Atlantic storms ever ...

Seismometers picked up the ferocious winds and waves of Hurricane Melissa, showing how the tools can be used to better ...

Former NASA officials warn that the U.S. looks poised to lose its self-declared race to beat China to the moon ...

Huge eruptions from the Milky Way’s supermassive black hole in the distant past may have sterilized much of the inner galaxy ...

Some scientists are concerned that the Trump administration will use “junk science” when reviewing mifepristone’s safety ...