time

If time is real, the laws of nature may evolve over time, Smolin says.

Science generally describes time as an illusion.

Time can move backward and forward for most particles, physicists say.

Atomic clocks will add a second this Saturday to give Earth time to catch up.

Rapidly spinning stars could be used as superbly accurate cosmic clocks, thanks to a new discovery that helps explain how they rotate.

An FCC ruling will give the satellite firm ICO time to order a spare satellite.

The start of 2009 will be delayed by circumstances beyond everyone's control.

In space, the illusion that we see things in real time falters.

NASA's Gravity Probe B spacecraft has gathered all the data physicists need to check a bizarre prediction of Einstein's relativity.