The universe is expanding faster and faster, but not all scientists agree that dark energy is the cause. Perhaps, instead, our universe keeps colliding with and absorbing smaller 'baby universes,' a ...

A new cosmological model suggests the universe expands in layers that multiply faster than space can even form. Infinity, in ...

Was there ever any choice in the Universe being as it is? Albert Einstein could have been wondering about this when he remarked to mathematician Ernst Strauss: “What I’m really interested in is ...

The expansion of the universe could be a mirage, a potentially controversial new study suggests. This rethinking of the cosmos also suggests solutions for the puzzles of dark energy and dark matter, ...

Research by the Atacama Cosmology Telescope collaboration has led to the clearest and most precise images yet of the universe’s infancy, the cosmic microwave background radiation that was visible only ...

What is the biggest star in the universe? It’s something we all wonder about at some point. After all, we know the Sun is big. Very big. But we also know from astronomical research that there are ...

A new study has suggested that the idea of our universe being a simulation does not hold up at all, and it’s not because of a lack of imagination. The theory that our lived experience is actually a ...

Research by the Atacama Cosmology Telescope collaboration has led to the clearest and most precise images yet of the universe’s infancy, the cosmic microwave background radiation that was visible only ...