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

Watching, modeling and even playing winter sports help students internalize physics concepts, including acceleration, ...

A huge piece of Chinese rocket debris is falling back to Earth, with parts of the UK lying in the possible re-entry path. Experts say the object is due to make an 'uncontrolled re-entry' on Friday ...

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 ...

Highly Skilled craftsmanshipA ge with a meteoritic iron blade mounted in bronze was found in the tomb of a ruler from the eighth or ninth century B.C. The weapon represents an innovation in ...

These newly discovered spinning crystals twist, break, and heal themselves, revealing a strange new side of solid matter.

That's the ethos behind Vaonis's Hestia. It's not a smart telescope, or even a normal telescope. Think of it as a lens to ...

A new theory suggests gravity could possibly be the result of entropy—which would mean everything in the universe would fall apart if it all remained unchanged.

Minnesota got off to another slow start, which has been a constant in its previous five victories. But the Timberwolves had always been able to dig themselves out of holes with strong second-half ...

The same pulling force that causes “tears” in a glass of wine also shapes embryos. It’s another example of how genes exploit mechanical forces for growth and development. Sip a glass of wine, and you ...