Meaning is not found; it is made. Existentialists say the universe is silent, so we must shout our own values into the ...

The idea that we might be living in a simulated reality has worried us for centuries. Now physicists have found some ...

The polar regions hold some of this country’s most valuable assets. The U.S. has operational bases in both the Arctic and ...

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 ...