A Fresh Hell (Chicken)
A newly identified “Hell chicken” species suggests dinosaurs weren’t sliding toward extinction before the fateful asteroid hit.
Astronomers Use AI to Shed Light on Dark Energy
A new measurement offers insights on the density of the mysterious force driving the Universe’s expansion.
Doing Math with Intellectual Humility
Math class is an opportunity to teach students both how to use conjecture to arrive at knowledge and how to learn from the logic of peers.
Coming Up Kudzu
Employed as a symbol of the American South or used as shorthand for unchecked growth, kudzu has demonstrated a tenacity beyond all imagination.
The Hunt for Life in Alpha Centauri
This oddball system of three stars might be our best chance at finding nearby life in the Universe.
To Find a New World, Watch How a Planet Dances with Its Star
Finding a tiny planet around bright stars dozens or hundreds of light-years from Earth is extremely difficult.
How Mars Lost Its Magnetic Field—and Then Its Oceans
Chemical changes inside Mars's core caused it to lose its magnetic field. This, in turn, caused it to lose its oceans. But how?
The Eight Best Hidden Impact Craters on Earth
Many impact craters on Earth have been erased thanks to wind, water, and plate tectonics. But scientists have clever ways to find them.