Americans are taking fewer precautions two years into the pandemic, a poll says.

A New Record! Hubble Detects an Individual Star From a Time When the Universe Was Less Than a Billion Years Old

Hubble finds a star from near the beginning of the universe — thanks to an Einstein theory. The technique, known as gravitational lensing, was first predicted by Albert Einstein’s theory of general relativity. The faraway star they spotted was only born about 900 million years after the Big Bang.

Americans love football, but differ on whether kids should play