Exercise often enters conversations about heart health, strength, sleep, and mood. A recent study suggests that it may also ...

Nuclear energy, lab-grown meat, direct-air carbon capture. The list of climate solutions that actually work but struggle to ...

Online shopping offers a long list of sellers, prices, and products, but every order also comes with a wait. That delay may ...

Fruit was disappearing from a parasitic plant in southern Japan, sometimes nearly an entire plant's worth overnight. Ants ...

Meat labeled organic, grass-fed, or non-GMO usually costs more than comparable plain meat at American grocery stores. The markup ranges from about 7% for some chicken to ...

Elephants are among the most recognizable animals on Earth, yet their future remains uncertain. World Elephant Day is observed every year on August 12, drawing attention to ...

Scientists spent the last decade proving fusion energy works as a matter of physics. The next hurdle isn't scientific, but financial. A new study lays out a ...

Today's Image of the Day from the European Space Agency features a dying star surrounded by a vast cloud of gas and dust that bears an uncanny ...

Rivers have always carried sediment in fits and starts, dumping most of it during storms rather than spreading it evenly across the year. A new study has ...

Dogs' brains respond differently to smiles, fear, anger, and sadness, suggesting they notice more in human faces than scientists knew. People smile at their dogs, scold them, and cry in front of them, ...

Dogs have lived beside people for thousands of years, but modern breeds tell only the newest part of that history. Today, ...

Life on Earth may have started twice. Bacteria and archaea, the two oldest branches of living things, each finished the ...