The Webb telescope has spotted exoplanets circling white dwarf stars, proving that planets can survive their star’s violent ...

The universe began with a vast ... Or it will be locked up in brown dwarfs and planets that never triggered nuclear fusion, or in stars that withered into white dwarfs. With stars no longer ...

A never-before-seen image of the cosmic microwave background, combining data from the Atacama Cosmology Telescope (ACT) and the Planck satellite, offers a high-definition view of the early Universe.