In 1867, Lord Kelvin pictured atoms as tiny knots in an invisible medium called the ether. That picture turned out to be wrong, since atoms are built ...

Knotted structures once imagined by Lord Kelvin may actually have shaped the universe’s earliest moments, according to new ...

Since childhood, we’ve been told gravity is the force that holds everything together — but what if that idea is incomplete, ...

Before Einstein, before Bohr, there was a Jesuit priest with a telescope and a startlingly modern vision of the universe.

How confusing inevitability with reality built decades of paradox. What if general relativity never actually tells us that ...