This artist’s impression compares the semi-heavy water content of the interstellar comet 3I/ATLAS (left) and Earth (right).

Cosmic rays are primarily composed of protons, but also of helium, carbon, oxygen, and iron nuclei. © Chinese Academy of ...

Quantum mechanics is a kind of hard limit: certain pairs of properties, such as position and momentum, cannot be known ...

Spacetime, the invisible fabric stitching the universe together, could actually be far more complex than previously believed.

Myelin is a sheath around the nerves made by certain brain cells called oligodendrocytes. These cells arise from progenitor ...

Homeostasis, the ability of cells to stay stable while the world around them shifts, is the core of this challenge. To ...

In a study, researchers monitored 287 individuals between the ages of 18-70 for two weeks, receiving over 3,700 accounts of ...

Around stars like our Sun, the most common planets aren't giant Jupiters but smaller cousins: sub‑Neptunes, which resemble ...

Cells constantly communicate with each other via signaling pathways. Chemical signals come in like messages in a filled-up ...

Cycling in a city can feel like an obstacle course: weaving through traffic, scaling steep hills, searching for the elusive ...

Working at ultra-cold temperatures, they built a device that can generate phonons with extraordinary precision. This ...

Its pyramidal neurons (PNs) form the largest known autoassociative network in nature, an immense matrix of memories that can ...