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From cosmetic procedures to heart operations, the introduction of AI will create an ethical minefield.

We don’t need to think about what life is made of but rather what it does.

Giant particle accelerators aren’t a waste of money. They are essential for understanding the Universe.

JWST has brought us more distant views of the early Universe than ever before. Is the Big Bang, and all of modern cosmology, in trouble?

There are an estimated two trillion galaxies within the observable Universe. Most are already unreachable, and the situation only gets worse.

Cognitive systems famously posited by psychologist Daniel Kahneman (1934-2024) may hold the key to a more productive and focused work environment.

Even the dictionary doesn’t get the definition right.

ATD 2024 challenged us to make moments of recovery part of our daily practice. Here’s how each keynote speaker advised finding that balance.

The Moon is the most likely place for evidence from the dawn of life on Earth to be preserved in cold storage.

As far as we can tell, there’s no limit to how far it goes on; only a limit to how far we can see. Could the Universe truly be infinite?

Our understanding always will remain incomplete.

The Source Family, a radical 1970s utopian commune, still impacts what we eat today.

Every astrobiologist wants to find an alien. But the public should be skeptical when the “aliens” look like tiny humans.

Despite being the closest planet to the Sun, Mercury “only” reaches 800 °F at its hottest. Venus is always hotter, even at night.

The same (former) NASA engineer who previously claimed to violate Newton’s laws is now claiming to have made a warp bubble. He didn’t.

How one startup plans to use “death rays” for good instead of evil.

The long-standing debate over whether dinosaurs were more like birds or lizards is drawing to a close.

All of these conflicts have a long history. They may also have a long future.

Forty Starlink satellites were destroyed earlier this year in a geomagnetic storm.

Most of us only ever see a fraction of a full rainbow: an arc. But optically, a full rainbow makes a complete circle. Physics explains why.

The ANITA experiment found cosmic rays shooting out of Antarctica. One interpretation claims “parallel Universes,” but is that right?

At their cores, stars can reach many millions or even billions of degrees. But even that doesn’t touch the hottest of all.

A recent study overviews the thinnest X-ray detector ever created.

The anxieties underpinning the Great Resignation were simmering for a long time. Here’s a solution.

Everything else in the universe is either a particle or field. Dark energy behaves as neither, and it may be a property inherent to space itself.

Science is for everyone, even those possessing strongly held beliefs that seem to conflict with the best available evidence.

Life largely owes its existence to this equation. Be sure to hug your house plant today.

Wherever automation rises, religiosity falls.

Einstein’s laws of gravity have been challenged many times, but have always emerged victorious. Could wide binary stars change all that?

A Carrington-magnitude event would kill millions, and cause trillions of dollars in damage. Sadly, it isn’t even the worst-case scenario.