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A new series delves into the big questions surrounding the nature of our universe.

Astronomers have found that mysterious dark energy may originate in black holes.

Some physicists think we live in a multiverse, surrounded by universes not quite like our own. What does that mean for life?

Several dwarf galaxies have been discovered close to our own Milky Way and are adding to our understanding of how galaxies form. But why haven’t astronomers seen them before?

Astronomers have revisited data from a dramatic collision of neutron stars to help resolve the infamous ‘Hubble tension’.

Dinosaurs were the largest animals to ever walk Earth, and they ruled the planet for more than 160 million years. The long-necked Argentinosaurus, with back vertebrae almost two metres high, possibly grew…

It’s almost three months since a team of scientists announced it had detected polarised light from the afterglow of the Big Bang. But questions are still being asked about whether cosmic dust may have…

One of this century’s greatest potential discoveries concerning the origins of the universe has now fallen to galactic dust. That’s according to a new joint-analysis of all the existing data – including…

Something mysterious is pulling our Milky Way through space at a much faster rate than expected. So what could it be?

Subatomic particles have shaped and continue to shape our universe but despite perfect predictions by physicists, the theory about unseen particles is still wrong.