Even though we can explore the universe with great precision, there is still a lot we don't know, according to Ulf Danielsson, professor of theoretical physics at Uppsala University. Besides doing ...

Interstellar visitor 3I/Atlas confirmed General Relativity, then performed an unexplained course correction. Was it a natural ...

Astronomers are rethinking one of cosmology’s biggest mysteries: dark energy. New findings show that evolving dark energy models, tied to ultra-light axion particles, may better fit the universe’s ...

An interstellar visitor, comet 3I/ATLAS, initially seemed to confirm Einstein's relativity with light bending, but then displayed bizarre behaviour. Its unexpected blue colour, rapid brightening, and ...