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JWST just found its first transiting exoplanet, and it's 99% the size of Earth. But with no atmosphere seen, perhaps air is truly rare.

The TRAPPIST-1 system is a treasure trove of possibilities and questions. Observations by JWST have just begun.

Using peach and eggplant emojis as shorthand for sex may seem like a new thing, but Renaissance artists were experts at using produce to imply intercourse.

The space telescope's findings challenge the notion of a galaxy brimming with life.

Considering the astronomical occupational risks, life insurance was prohibitively expensive for the first NASA astronauts.

Recent claims put LK-99 as the first room temperature, ambient pressure superconductor ever. Has the game changed, or is it merely hype?

Alchemy had its golden age in the 17th century, when it counted Isaac Newton and Robert Boyle among its adherents.

Despite all that we've learned about the Universe, there remain unanswered, and possibly unanswerable, questions. Could "God" be the answer?

The Solar System isn't a vortex, but rather the sum of all our great cosmic motions. Here's how we move through space.

An army of replicators belonging to national laboratories, research universities, and amateur garages is rushing to replicate ambient superconductivity in LK-99.

Life finds a way — particularly if it has a moon.

The classic picture of Jupiter's great rocky core might be entirely wrong.

Following the advent of human space flight, NASA began naming missions after children of Zeus.

Albert Einstein and his theory of general relativity continue to amaze us to this day.

So far, two papers have been retracted, and a third is under investigation. Accusations of plagiarism appear convincing.

The first observational evidence showing the Universe is expanding is 100 years old now: in 2023. Here's the story of its 100th anniversary.

Finding a tiny planet around bright stars dozens or hundreds of light-years from Earth is extremely difficult.

From life on Earth to the planet itself, there are four ways our planet will actually experience "the end," no matter how we define it.

In physics, we reduce things to their elementary, fundamental components, and build emergent things out of them. That's not the full story.

In terms of the planets we've discovered, super-Earths are by far the most common. What does that mean for the Universe?

Many planets will eventually be devoured by their parent star. For the first time, we caught a star in the act, eating its innermost planet!

When the average person has a "theory," they're just guessing. But for a scientist, a theory is the pinnacle of what we can achieve.

All across the Universe, planets come in a wide variety of sizes, masses, compositions, and temperatures. And most have rain and snow.

Our understanding always will remain incomplete.

New mathematics have shown that lines of energy can be used to describe the universe.

Asteroid collisions aren't always bad.

How can you "touch the Sun" if you've always been inside the solar corona, yet will never reach the Sun's photosphere?

We're still using 800,000 gallons of embalming fluid a year, but burials are becoming far less common.

Back in 1990, we hadn't discovered a single planet outside of our Solar System. Here are 10 facts that would've surprised every astronomer.

Many suspicious deaths of both humans and pets have been solved with the help of insects.