News

Planetary Science

Experts don’t agree on age of Saturn’s rings

Saturn’s rings could be almost as old as the solar system, and the Cassini craft is poised to help find out.

Neuroscience

Mice smell, share each other’s pain

Pain can jump from one mouse to another, presumably through chemicals detected by the nose.

Archaeology

Wild monkeys throw curve at stone-tool making’s origins

Monkeys that make sharp-edged stones raise questions about evolution of stone tool production.

Genetics

‘Three-parent babies’ explained

Several in vitro techniques can produce babies with three biological parents.

Life

In a first, mouse eggs grown from skin cells

Stem cells grown in ovary-mimicking conditions in a lab dish can make healthy mouse offspring, but technique still needs work.