A team of international physicists has delivered a striking challenge to one of the most provocative ideas in modern science: ...

A new study casts doubt on the universe’s accelerating expansion, suggesting dark energy might be weakening over time.

Physicists explore whether the universe hides extra dimensions. These tiny, curled-up or warped dimensions could explain ...

Our Solar System orbits the galactic center at an estimated 792,000 kilometers per hour, taking 225 million Earth years to ...

The story opens with a scene both familiar and deceptively simple: physicists once again interrogating the fabric of reality, ...

Although these findings from JWST are yet to be confirmed, they mark the closest astronomers have come to locating the ...

A new study published in Monthly Notices of the Royal Astronomical Society suggests that the universe’s expansion may be ...

Deep in the heart of the matter, some numbers don't add up. For example, while protons and neutrons are made of quarks, ...

For several decades, evidence has suggested that the expansion of the universe is accelerating. Crucial to those estimates were the use of standard candles, celestial events of the same luminosity ...

An analysis of millions of galaxies found that the universe is barreling towards what is literally a much darker future.

The universe is expanding. That much is clearer. But it’s less clear whether this expansion is accelerating or slowing down.