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You’ve probably noticed that most retailers use prices ending in 99. That’s intentional.

“We do not experience primarily because we have brains; we experience because we are alive.”

Just by observing the tiny amount of deuterium left over from the Big Bang, we can determine that dark matter and dark energy must exist.

Over time, the Universe becomes less dominated by dark matter and more dominated by dark energy. Is one transforming into the other?

Descartes broke from the European philosophers who preceded him and devised a new way of considering humanity and the world.

Tikal, one of the biggest cities the Maya ever built, was home to a vast and flourishing society.

For many years, cosmologists have claimed the Universe is 13.8 billion years old. A new paper says no, it’s 26.7 billion. How do we decide?

Veteran investor Sujal Patel, co-founder and CEO of Nautilus Biotechnology, helps us sift golden nuggets from the loose shale of entrepreneurship.

“To take this in, you need to ride inside the mathematical symbols.” 

Everything that gets heated up has to, somehow, radiate that energy away. Here’s what we see when that happens in the Universe.

Can laboratories become more humane, or is it time to end animal research altogether?

The concept of ‘relativistic mass’ has been around almost as long as relativity has. But is it a reasonable way to make sense of things?

As viewed by the MeerKAT telescope, this radio view of the Milky Way blows away every other way we’ve ever seen our home galaxy.

We have long thought that Pluto was completely frozen solid, but the discovery of cryovolcanoes challenges that assumption.

“The field is endless, but my life is limited, as are all of ours. But you do what you can with your time,” says CSO Mart Saarma.

The 1,200-year-old “Book of Ingenious Devices” contains designs for futuristic inventions like gas masks, water fountains, and digging machines.

The dark genome makes up 98% of human DNA. Scientists are just beginning to understand its role in cognitive disorders.

Millennials — who were raised to expect unlimited success but found only disappointment — can be drawn to manifestation.

The outer planets’ clouds hide the weirdness within.

Which is good, because if they do, they violate the cosmological principle. In theory, the Universe should be the same, on average, everywhere. A simulation of the large-scale structure of […]

Like Mars today, Venus used to be a sci-fi superstar. Recent discoveries could re-ignite our interest in Earth’s “evil twin.”

This opens the door to manipulating networks of specific neurons.

The cause of Alzheimer’s is still not fully understood, but we might be able to vaccinate against it anyway.

Evolutionary pressures drove the formation of tribes who encoded their values in myths and symbols. Was this cooperation cursed?

Learning to decode complex communication on Earth may give us a leg up if intelligent life from space makes contact.

Learn to spot the scientists who are searching for the truth rather than money, ego, or fame.

Two fundamentally different ways of measuring the expanding Universe disagree. What’s the root cause of this Hubble tension?

In ancient Rome, collective bathing was the norm. In the West today, it’s the exception — and that’s too bad.

In our common experience, you can’t get something for nothing. In the quantum realm, something really can emerge from nothing.

Don’t worry that your dog’s world is visually drab.