The Sciences

A new experiment shows that bats are born with a fixed reference for the speed of sound—and living in lighter air can throw it off.

Just one of the seven Millennium Prize Problems named 21 years ago has been solved

The International Society for Stem Cell Research relaxed the famous 14-day rule on culturing human embryos in its latest research guidelines

Dutch scientist Antonie van Leeuwenhoek made extraordinary observations of blood cells, sperm cells and bacteria with his microscopes. But it turns out the lens technology he used was quite ordinary.

What is unprecedented is not just the speed and focus with which the community responded to the pandemic but also the singular willingness of scientists all over the world to share new ideas and data immediately and transparently

The mysteries packed inside these invisible space objects stretch our concepts of space and time.

Surprising new data from the Muon g-2 experiment are turning the classical model on its head

The peak is one of the world’s most active volcanoes, last erupting in 2002

An interstellar treaty with other advanced civilizations could stave off death by domain wall

A series of experiments shows, remarkably, that it just might

There may be realistic ways to create cosmic bridges predicted by general relativity

Some of these peepers have eyepopping abilities