There’s a point in the universe where no light, no signal, and no matter can reach us — or so we thought. Galaxy clusters are ...

A neutrino sensor array, ARCA, lines the Mediterranean seafloor near Sicily. A physicist took ARCA’s first huge win to a warm ...

What exactly does the boundary of the universe look like? Xiao Wang initially imagined it to be like the Earth's atmosphere, ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

The chances of intelligent life emerging in our Universe -- and in any hypothetical ones beyond it -- can be estimated by a new theoretical model which has echoes of the famous Drake Equation. This ...

Neutrinos are arguably the most enigmatic particles in the universe, but scientists on Earth are getting better at detecting them. In February of 2023, the underwater Cubic Kilometer Neutrino ...

On 1 January 1925, US astronomer Henry Norris Russell made a startling announcement to the American Astronomical Society in Washington DC: observations by fellow astronomer Edwin Hubble showed that ...

It’s the most energetic particle of its kind ever discovered, and scientists have no idea where it came from. By Katrina Miller Katrina Miller studied neutrinos of much lower energies at the ...