For over two decades, cosmologists have believed that the universe is expanding at an accelerating pace, driven by a ...

New measurements using gravitational lensing suggest the universe’s current expansion rate does not agree with signals from ...

The Roman telescope promises to provide a clearer picture of the large-scale structure of the universe and the forces shaping ...

The Atacama Cosmology Telescope in Chile has released its final batch of data after 15 years — and it proves that the Hubble ...

Yu-Jing Qin, a postdoctoral researcher at California Institute of Technology (Caltech), led a series of spectroscopic ...

The question of whether the cosmos goes on forever is no longer just a late night thought experiment, it is a live research ...

For much of the twentieth century, scientists expected the expanding universe to slow over time. The opposite turned out to ...

A team of astronomers using a variety of ground and space-based telescopes including the W. M. Keck Observatory on Maunakea, ...

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

It’s always amazing, and more than a little humbling, when the universe reminds us that our “common sense” is provincial, ...

Lyon Gaber, an Egyptian-American actor, writer, and director known for transforming personal adversity into cinematic ...