Despite the enormous mass of the Earth, simply depleting our groundwater is changing our axial tilt. Simple Newtonian physics explains why.
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A new technique that can automatically classify phases of physical systems could help scientists investigate novel materials.
From the coldest planets to spacecraft that have exited the Solar System, these little-known facts stump even many professional astronomers.
In the 1960s, politicians and bureaucrats were formulating the Central Arizona Project. Citizens fought back.
Why can’t more rainwater be collected for the long, dry spring and summer when it’s needed?
Thanks to the Coriolis force, hurricanes never cross the equator.
Finding life beyond our Solar System requires understanding its host planet.
Our cosmic home, planet Earth, has been through a lot over the past 4.5 billion years. Here are some of its most spectacular changes
About six million years ago, the Mediterranean was sealed off from the Atlantic, and over centuries it ran dry. One megaflood reversed that.
Simple physics makes hauling vast ice chunks thousands of miles fiendishly difficult — but not impossible.
If cocaine affects sharks at all, it does so as an anesthetic, not as a stimulant.
Chemical changes inside Mars’ core caused it to lose its magnetic field. This, in turn, caused it to lose its oceans. But how?
Passing chunks of ice can fertilize ocean waters and play a role in the planet’s carbon cycle.
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.
Valles Marineris is the Solar System’s grandest canyon, many times longer, wider, and deeper than the Grand Canyon. What scarred Mars so?
The cycles of life all rely on the dynamism of the Earth’s crust.
Looking at our planet with post-Copernican eyes has the power to change how we relate to it and each other.
If we’re going to discuss oceanography and climate change, we should at least identify the currents correctly.
Former Levi Strauss & Co. CEO Chip Bergh revitalized the brand with a visionary innovation plan.
The TRAPPIST-1 system is a treasure trove of possibilities and questions. Observations by JWST have just begun.
Destruction of the Ukrainian dam unleashed a catastrophic flood—and surfaced centuries of cultural heritage. Now there’s a call not to rebuild it.
The 1,200-year-old “Book of Ingenious Devices” contains designs for futuristic inventions like gas masks, water fountains, and digging machines.
Once water gets more than about 200 feet deep, building on the sea floor is out of the question.
You could send your potential paramour a perfume bottle, a cigar cutter, travel plans — or maybe some cocaine.
The recent discovery of a large cave on the Moon highlights the importance of caves not just for future space explorers but astrobiology as well.
In the 1970s, James Lovelock proposed that the biosphere was not just green scruff quivering on Earth’s surface. Instead, it managed to take over the geospheres.
The solution involves the infamous Navier-Stokes equations, which are so difficult, there is a $1-million prize for solving them.
9 minutes of cruel history may cure the anti-progress delusion.
Each year, several trillion pounds of microscopic silicon-based skeletons fall down the water column to pile up into siliceous ooze.