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At some 60 billion times the mass of the sun, this dark void could be home to a pair of black holes that are due for a cosmic collision.

Some rodents in South America carry arenaviruses and hantaviruses. Climate change may bring both to regions where neither is currently a threat.

Rather than catching a yawn on sight, muscles squeezing the uterus could be the trigger for a fetus to catch a yawn from its mother.

Scientists use simulated dinosaurs to trigger real insect brains and test how wings originally evolved.

A link between particle physics and gravity equations, called the double copy, applies to Hawking radiation, creating a new way into black hole puzzles.

DNA damage from inflammation outpaces the cells' ability to self-repair. The finding, in human brain cells and mice, could point to new MS treatments.

On the International Space Station, a cube holding a diamond-based sensor revealed the potential for quantum magnetometers.