A new theory of "dark photons" attempted to explain a centuries-old experiment in a new way this year, in an effort to change ...

Early risers across North America and Europe may spot a bright, silent light gliding across the Christmas sky — and it just ...

In any other year, the supermassive black hole mentioned above would probably scoop the award for most striking outburst, but not in 2025. This year, that accolade goes to a flare designated ...