Ghost particles of the milky way

Ten years ago, on 14 September 2015, a new window on the Universe was opened, giving us a novel way of studying exotic, high-energy objects such as black holes and neutron stars: the first direct dete

Astronomers love a challenge. They place their observatories on the highest mountains, in the driest deserts, on the coldest ice shelves, beneath the deepest oceans, in orbit around Earth and the Sun,

What is normal or ‘ordinary’ matter? When astronomers talk about normal matter, we’re referring to baryons. By that, we just mean ‘the stuff of atoms’ – things like protons and neutrons. How did we fi

The most famous living immigrant to the United States, Melania Trump, née Melanija Knavs, was born in Novo Mesto in Slovenia in 1970. She spent her childhood in Sevnica where in 2020 the US concept ar

Just where did all the weird ghosts go is a question that has been posed in Fortean Times. One answer might be Wales. Ghost hunter John Harries declared, “In order to meet a Welsh ghost one really nee

New Horizons was the first mission sent to explore Pluto, conducting a fly-by in July 2015. It was then redirected for a close pass of a much smaller Kuiper Belt object, Arrokoth, in January 2019. Tod