A superkilonova candidate event, named AT2025ulz, was observed in 2025; LIGO and Virgo first spotted gravitational waves, ...

So, to create a must-read story list for you, we asked our staff to select their favorite pieces of 2025. Alas, while you're ...

James Webb Space Telescope captured the light of a dying star, supernova GRB 250314A, from when the universe was only 730 ...

For more than a century, astronomers have known that some “new stars” flaring into view are not births at all but violent ...