This temporal lag is a direct consequence of Albert Einstein’s Theory of General Relativity. The rule is simple: the weaker ...

"A three-body problem is extremely complicated. Now we're dealing with four: the sun, Earth, the moon and Mars. The heavy ...

Tracking the first astronauts’ visit to Mars won’t be as simple as watching a clock or marking days off of a calendar. Thanks ...

Time may seem like a constant force, but according to a new study published on December 1 in The Astronomical Journal, the ...

Ask someone on Earth for the time and they can give you an exact answer, thanks to our planet's intricate timekeeping system, ...

TIME marches on, rushing through the seasons, dashing through the rain, plowing through the mist, blowing through the summer. I went to bed sometime around 1972 and awoke to 2006. Where did all my ...

Breakthrough discoveries don’t usually involve much fanfare. They’re the product of a thought, a spark of inspiration, a moment in a lab or library. And for most people, those breakthroughs — and the ...

In his 1986 book, Was Einstein Right? Prof. Clifford Will, physics, Washington University in St. Louis, declared anyone who questioned Albert Einstein’s special theory of relativity to be a crank or ...