How do we know the speed of light – and why does it have a speed limit at all? Leah Crane explores the history of one of the ...

Spoiler: You are not living in a simulation. Advanced simulations have been the subject of fiction from The Matrix to the ...

Is there anything more dramatic than an exploding star? More than just extraordinarily bright, energetic events that can ...

MIT scientists used radium monofluoride atom to observe electrons entering atomic nuclei, revealing new details of nuclear magnetism.

It had all begun as a small, forgotten point of light buried deep in the extensive archives of a 2018 sky survey-the quiescent entry of an event that was to reveal itself as the most luminous black ...

At the heart of the Milky Way, just 27,000 light-years from Earth, there is a supermassive black hole with a mass of more ...

VO2 max? Mile time? Experts break down the most common health metrics and reveal which ones actually best reflect on your ...