SKA ‘time machine’ will be able to detect formation of first stars, galaxies  

The Square Kilometre Array, which is depicted through an artist's impression, will begin construction in 2020.

The world’s largest radio telescope, known as the Square Kilometre Array (SKA) and situated over two continents, will be able to detect the first stars and galaxies emerging from the ‘murk’ at the beginning of the universe and much more besides, according to Professor Phil Diamond, Director General of SKA. He spoke to Horizon at … Read more

Arsenic and permafrost microbes help hunt for life on Mars

Bacteria survive in the harsh conditions of the Andean lakes of Argentina among high concentrations of arsenic.

Studying environments that are similar to Mars, and their microbial ecosystems, could help prepare biologists to identify traces of life in outer space. In some of the most remote areas of our planet, scientists are examining how life can persist in the form of tiny microbes that inhabit a niche that would be fatal to … Read more

Our 10 favourite science facts from 2017

by Zoé de York From rubber dandelions and toxic crustaceans to anti-vaxxers and the world’s hottest geothermal well, Horizon covered a wide variety of stories in 2017. Here are our 10 favourite science facts that we learned along the way. 1. One sugar-cube-sized chunk of a neutron star would weigh a billion tonnes, or as much … Read more