A pin being pushed into a bubble, in which there is an image of the Universe

Can cosmic inflation be ruled out?

03 November 2022

Astrophysicists say that cosmic inflation – a point in the Universe’s infancy when space-time expanded exponentially, and what physicists really refer to when they talk about the ‘Big Bang’ – can in principle be ruled out in an assumption-free way.

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Artist’s impression of the exoplanet GJ 1132 b

Hubble sees new atmosphere forming on a rocky exoplanet

11 March 2021

For the first time, scientists using the NASA/ESA Hubble Space Telescope have found evidence of volcanic activity reforming the atmosphere on a rocky planet around a distant star. The planet, GJ 1132 b, has a similar density, size, and age to Earth.

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