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 ...

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

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 ...

The center of each image (a) and (b) shows a substitutional silicon defect. The pronounced dark spot at the center of panels (a) and (c), indicated by blue arrows, is ...

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

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 ...

The Shroud of Turin, a linen cloth bearing the images of a crucified man on both the front and back, has long been believed ...

A new process is changing the definition of waste from an inherently expensive burden in wastewater treatment plants, a part ...