How a man walks can shift threat impressions beyond body size. Sway and shoulder spread stood out in short, size-controlled ...

By listening for ghostly radio echoes from the early Universe, scientists believe future Moon missions could determine what ...

Black holes are so strange that physicists have long wondered if they are quite what they seem. Now we are set to find out if ...

A new study argues that dark matter and dark energy might be illusions caused by the universe’s forces fading over time. For ...

"It's a fairly unusual question to ask in the scientific world, because most researchers would agree that dark matter is dark ...

First and perhaps most perplexingly, researchers remain unsure about what exactly dark matter is. Originally, some scientists ...

The story begins with the black hole information paradox. According to relativity, anything that falls into a black hole is ...

Penn Engineers have developed a mathematical "Rosetta Stone" that translates atomic and molecular movements into predictions ...

For decades, astronomers have searched for something they cannot see. They call it dark matter—an invisible substance thought ...

Physicists are eyeing charged gravitinos—ultra-heavy, stable particles from supergravity theory—as possible Dark Matter candidates. Unlike axions or WIMPs, these particles carry electric charge but ...