Universe

When you see pasta, your brain probably doesn't jump to the secrets of the universe. But for almost a century, physicists have puzzled over spaghetti's counterintuitive properties.

Cause is usually followed by effect, but in the quantum world, time's sequencing is not so straightforward.

The discovery of ultramassive black holes has raised questions about how these celestial objects first formed in the Universe, how they can grow to such immense sizes.

The discovery of giant superclusters of galaxies are challenging our very understanding of the Universe.

The Starship spacecraft's fiery end soon after launch – not once but twice – was a major moment in a year filled with landmark space missions.

They are the most intense lasers ever built, and their beams are helping scientists probe the fabric of the Universe.

Alien life could take many different forms, but one possibility is captivating scientists: alien "plants". What would they look like? And how could we find them?

Alien astronomers might be looking in our direction from distant planets. What would they see?