James Webb Telescope Finds 'Sleeping Beauty' Galaxies in the Early Universe – Sleeping Where They Were Never Meant to Be
For the first time in history, astronomers have recorded the exact moment of the birth of a new planetary system around an alien star.
Giant space 'boulders' released by NASA's DART mission are not behaving as expected, revealing hidden risks of asteroid deflection.
Behold the 'Beast': A giant animal-shaped plasma plume 13 times wider than Earth hangs above the Sun.
'Interstellar visitor' 3I/ATLAS may be the oldest comet ever observed – and it could develop an impressive tail this year.