No matter what you do, matter can neither be created nor destroyed. This property of the universe is called the law of ...

Physicist Richard Lieu first explored the idea that gravity could exist without mass—now he’s got a new cosmological model ...

These series of step-like bursts happen so rapidly that they are difficult to observe as these singularities wink in and out ...

An extremely bold hypothesis proposes transient temporal singularities remove the need for dark matter and dark energy.

A bold new theory suggests the universe didn’t begin with a single Big Bang, but instead unfolds through a series of ...

Negative energy may soon be discovered, offering breakthroughs in wormholes, warp drives, and galactic travel. Scientists say ...

There are roof shapes and ratios that maximize heat retainment and energy efficiency and, interestingly, ancient Italian architects and builders seemed to know it, too.

Although our universe is mostly normal matter, antimatter isn’t so hard to create — supernovae, black holes, and even bananas ...

A new idea about cosmic expansion has emerged that might remove the need for dark matter and dark energy altogether.

The basic idea is that you send a beam of light around a pair of black holes spinning around each other prior to a merger, or ...