Today we are going to talk about cosmology and the fact that black holes were considered as an almost unbelievable idea. In the 30s, British astronomer Arthur ...

The shape of the cosmos depends on a balance of two competing forces: the pull of gravity and the expansion driven by dark ...

So cosmologists feel confident in modelling the universe using the “maximally symmetric” description of space-time in Einstein’s theory of general relativity. This symmetric vision for the universe, ...

I came across on the internet a commentary titled, “The universe did not start with the Big Bang — Feyman explains why.” Richard Feynman (1918-1988) was a brill ...

The universe’s expansion might not be accelerating but slowing down, a new study suggests. If confirmed, the finding would upend decades of established astronomical assumptions and rewrite our ...

Most messages are press releases about astronomical discoveries—okay, scratch that; most of them are spam, but science announcements are an easy second place. But I also get questions from readers ...