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

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 ...

The study shows that in quantum devices, reading a clock consumes far more energy than running it. This insight will help ...

Opioid overdoses continue to take a devastating toll across the United States. According to the U.S. Centers for Disease ...

The reason for this shift is simple: data gravity. The core holds the most complete, consistent and authoritative dataset ...

These chemical oddities may explain why Earth seems to be deficient in certain elements — and could prove useful in catalysts ...

A flat plane of dark matter beyond the Local Group may explain why nearby galaxies move away from us instead of falling ...

Even given a set of possible quantum states for our cosmos, it's impossible for us to determine which one of them is correct ...

Consciousness studies is too much like the blind men with the elephant. Here's an explanation for the blind spot and how we can work around it.

Imagine a city that thrived for thousands of years, its streets alive with workshops, markets and the laughter of children, yet that is remembered for a single night of fire. That city is Troy.