Seen just 800 million years after the big bang, an object called LAP1-B is a galactic building block that seems to hold some ...

The twinkling stars in the night sky are not just beautiful to look at. Their flickering reveals something about the varying temperatures and densities in the layers of Earth's atmosphere, which ...

A gravitational lens reveals a primordial galaxy from 800 million years after the Big Bang, reshaping theories of cosmic ...

We asked dermatologists to explain what mineral sunscreen is and why you should use it to protect you from the sun.

High-energy cosmic rays, 10 million times more powerful than particles accelerated in Earth's strongest atom smasher, may ...