As AI overwhelms the web, we will need a way to distinguish people from machines.

Neurologist Richard Cytowic has spent decades studying synesthesia, the phenomenon where one sense involuntarily triggers another. 

In a 13.8 billion year old Universe, a few seconds hardly seems like it matters. But these minuscule changes sure do add up over time.

Most massive galaxies are spiral or elliptical shaped. But peculiar galaxies showcase the beautiful violence that helps explain our cosmos.

Neuroscientist Christof Koch on why reflective self-consciousness separates us from intelligent machines.

Once land plants, seagrasses staged one of evolution’s boldest reversals — returning to the ocean and reinventing their biology to thrive beneath the waves.

First rising in the 15th century, these forts sought to counter a deadly innovation in military technology.

Early on, the Universe needed near-perfect flatness, or atoms, stars, and galaxies couldn't form. What happens once dark energy takes over?

Neuroscientist David Linden sheds light on the biology behind phenomena that medicine has long struggled to explain, from voodoo death and broken heart syndrome to the placebo effect, and why grief shows up in autopsy results

Biblical scholar Bart Ehrman contends that our modern sense of altruism can be traced back to the radical shift in ethical thinking sparked by Jesus' teachings.

Archaeologist Eric Cline has spent his career forensically reconstructing why the Bronze Age collapsed, and the answer is far stranger and more unsettling than a single catastrophic event.

The image you're seeing isn't a hole in the Universe, and the cosmic voids that do exist aren't hole-like at all.

Inside GM’s race to build the electric Hummer lies a powerful lesson in speed, simplicity, and the operating system required for exponential growth.

Historian Eric Cline illuminates the 400-year period following ancient collapse that shaped the modern world.

While LooksMaxxing often headlines the news, the idea of BrainMaxxing deserves real attention. Growing your mind never goes out of style.

NASA astronomer Michelle Thaller makes the case that quantum entanglement may be the underlying fabric from which spacetime itself emerges. 

Andy Weir’s novel blends humor, scientific rigor, and human ingenuity to make science fiction feel believable and thrilling.

By better understanding how the brain constructs pain, we may transform how we treat chronic suffering.

We have two descriptions of the Universe that work perfectly well: general relativity and quantum physics. Too bad they don't work together.

Americans believe they can outthink suffering. Historian Kate Bowler explains how our obsession with self-help, optimization, and positivity became a kind of secular religion.