How a solar eclipse opened a new window onto the universe

The difficulty in creating a theory of ‘quantum gravity’ is that the two ideas look at the Universe at completely different scales. Quantum mechanics looks at the smallest scales of the particles that

The best discoveries, inventions and surprises

20 amazing answers t o curious

New model suggests Hawking radiation is speeding cosmic decay Scientists have long predicted that the Universe’s lifetime is effectively forever – specifically, 101100 years. But now scientists from R

I’m responding to an article by Pete Lawrence in the April 2025 issue, titled ‘Flora crosses the Leo Triplet’ (Big Three, in the Sky Guide), which spurred me to have a look for this minor planet. I al

Neutron stars can suffer quakes far more powerful than anything on Earth