the universe

Now imagine a white hole – a black hole’s time-reversed twin…

28 October 2023 9:00 am

Just as you can enter a black hole without leaving it, you can exit a white hole without entering it – but first you must understand what black holes really are

Cosmic cataclysm

1 August 2020 9:00 am

Alexander Masters speculates on how the universe will end

The Ant Nebula, located a mere 3,000–6,000 light years from Earth in the southern constellation Norma

In the sky with diamonds

22 August 2015 9:00 am

The beliefs of physicists are infinitely kookier than anything in the Bible, says Alexander Masters

The strangest objects we know of

30 May 2015 9:00 am

The idea of black holes sounds so quintessentially modern and 20th-century that it may come as a surprise to learn…