Casimir cavities are mysterious spaces between microscopic metal plates in a vacuum. Areas of diminished energy between the plates cause them to push toward each other, as if trying to fill the ...

Gravity used to be the most dependable rule in the cosmic rulebook, the quiet background force that never changed its mind. Now a series of discoveries and bold claims are turning that certainty into ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." On one particular Friday night in 1992, Miguel Alcubierre couldn’t stop thinking about Star Trek. Every ...

If humanity ever wants to escape the solar system, we’re going to need a faster-than-light engine. Enter: the warp drive. While such a drive pushes the limits of known physics, a new study ponders ...

For more than half a century, faster than light travel has lived in the realm of television scripts and paperback science fiction. Now a cluster of theoretical breakthroughs is forcing physicists to ...

A team of physicists has discovered that it’s possible to build a real, actual, physical warp drive and not break any known rules of physics. One caveat: the vessel doing the warping can’t exceed the ...

Warp drives have a long history of not existing, despite their ubiquitous presence in science fiction. Writer John Campbell first introduced the idea in a science fiction novel called Islands of Space ...