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What was the universe like one-trillionth of a second after the Big Bang? Science has an answer.

Strange underwater icicles form in the Earth’s coldest regions and freeze living organisms in place.

From high school through the professional ranks, physicists never tire of Newton’s second law.

A study proposes that an ancient trading network, called the Hopewell tradition, may have been wiped out by what is known as a cosmic airburst.

A new study proposes mysterious axions may be found in X-rays coming from a cluster of neutron stars.

In general, 5G is not a threat to human health or activities, but there are some legitimate questions about interference with airplane instruments.

It’s the best-known transcendental number of all-time, and March 14 (3/14 in many countries) is the perfect time to celebrate Pi (π) Day!

Is the “big freeze” our inevitable fate, or can dark energy save us? When we look out at the Universe today, we see sources of light practically everywhere we look. In […]

Unlike the first Roaring Twenties, these won’t end with a Great Depression.

Individual space telescopes, like Hubble and JWST, revolutionized our knowledge of the Universe. What if we had an array of them, instead?

The game of Plinko perfectly illustrates chaos theory. Even with indistinguishable initial conditions, the outcome is always uncertain.

A new tuna robot leads the way to more agile underwater robots and drones.

Scientists at Washington University are patenting a new electrolyzer designed for frigid Martian water.

We think of physical reality as what objectively exists, independent of any observer. But relativity and quantum physics say otherwise.

No matter how hard we try, we will never reach a final theory that unifies scientific knowledge. The very nature of science doesn’t allow it.

There could be variables beyond the ones we’ve identified and know how to measure. But they can’t get rid of quantum weirdness.

What are schools for and who is leading the ship?

About the project The goal of driving more progress across the world—scientifically, politically, economically, socially, etc—is one shared by many. And yet, debates about the best way to maximize progress […]

The new brain tumor treatment targets a cancer that kills 75% of patients within a year.

OCD and addiction may result in part from improper “reward” pathways in the brain. Ultrasound can disrupt those pathways.

Technology has advanced at a blinding pace in the past 150 years. That won’t always happen.

By 2050, there may be more plastic than fish in the sea.

Proponents of transhumanism make big promises, such as a future in which we upload our minds into a supercomputer. But there is a fatal flaw in this argument: reductionism.

Outrage is a useful emotion that helped our ancient ancestors survive. Today, it leaves us feeling angry, tired, powerless, and miserable.

Black holes aren’t just the densest masses in the Universe, but they also spin the fastest of all massive objects. Here’s why it must be so.

People who visit Florence seem strangely susceptible to Stendhal syndrome, which is blamed on an overwhelming sense of awe.

Is your red the same as mine? Probably not.

Researchers dramatically improve the accuracy of a number that connects fundamental forces.

The non-contact technique could someday be used to lift much heavier objects — maybe even humans.

Sweden tops the ranking for the third year in a row.