Jun 29, 2021
In 1929, Edwin Hubble published his findings. The redshifts from distant galaxies were proportional to their distance away from us. Theoretical cosmologists would pounce on them as evidence that the Universe must be expanding.
Jun 21, 2021
Everything we have been able to infer about the Universe began in total ignorance. Many early theories about how the Universe was structured were wildly incorrect - but astronomers were building up the toolkits that would later allow us to understand.
Jun 15, 2021
When you're trying to narrate the history of the entire
Universe, where do you begin?
I decided to start in a radio studio in London in March 1949, when the term "Big Bang" was first coined, in the first on our series on cosmology.
Jun 7, 2021
Arguments surrounding climate change have become subtler. Outright denial is gradually shifting to rhetoric that supports delaying urgent action. In this review of a paper by Steinberger, Lamb et al, I run down the new "discourses of climate delay".