Female rats prefer gentler, more playful tickling than males, Bombail and his colleagues report April 15 in Biology Letters.

Scientists and journalists share a core belief in questioning, observing and verifying to reach the truth. Science News reports on crucial research and discovery across science disciplines. We need ...

As public health officials around the world monitor dozens of former passengers and crewmembers of the MV Hondius for signs ...

A 59,000-year-old Neandertal molar unearthed in Siberia was drilled with a stone tool – the earliest evidence of primitive ...

Tenets of quantum mechanics and special relativity, among other theoretical ideas, lead inexorably to string theory.

Downing a few cups of caffeinated coffee or mugs of tea each day may lower the risk of developing dementia, according to a long-term study. The lowest risk was tied to drinking around two to three ...

Africa’s Turkana Rift Zone, a hotbed of hominin fossils, is caught in the act of “necking," a critical transition toward ...

Around one in 500 women don’t have a functioning womb, needed to carry a pregnancy. This condition, called absolute uterine ...

Male primates may be larger than females partly because of pressure from rival groups, not just competition with males inside ...

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 ...

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

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