Quote of the day: Though widely celebrated for reshaping modern physics, Einstein’s impact reached well beyond laboratories ...

From the fall of an apple to the glow of the farthest known star, gravity quietly choreographs almost everything that happens ...

This puzzle is known as the problem of time, and it remains one of the most persistent obstacles to a unified theory of ...

A former Harvard professor links modern cosmology with scripture, suggesting heaven may exist beyond the universe’s Cosmic ...

Scientists pushed photons across the universe to test the speed of light—and found Einstein’s cosmic speed limit still holds ...

Time feels like the most basic feature of reality. Seconds tick, days pass and everything from planetary motion to human memory seems to unfold along a single, irreversible direction. We are born and ...

Harman develops his theme through diverting chapters on historiography (featuring an excursus on why Mongolian warlords gave ...

Often dirt brings forth thoughts of juicy gossip, but in these few words, I will not go in that direction since talebearer ...

Vladimir Fock occupies a distinctive place in the history of twentieth-century science, not only for his profound ...