The James Webb Space Telescope's discovery of unusually bright and massive galaxies soon after the Big Bang has cast doubt on ...

A story of survival is unfolding at the outer reaches of our galaxy, and NASA's Hubble Space Telescope is witnessing the saga ...

Roughly 400,000 years after the Big Bang, the universe cooled just enough to allow photons to escape from the primordial ...

The same can't be said of "space weather" from solar events, which can seriously affect satellites and even passenger planes.

To estimate how close a supernova would have to be to cause serious damage to Earth, we must first look at a supernova's ...