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

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, ...

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

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...

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

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. How will the universe end? – Iez M., age 9, ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

This NASA/ESA Hubble Space Telescope image features the spiral galaxy Messier 77, also known as the Squid Galaxy. CREDIT: ESA/Hubble & NASA, L. C. Ho, D. Thilker. Get the Popular Science daily ...

The UC Davis department of physics and astronomy, together with the College of Letters and Science, will host a free reception and public lecture on Tuesday, Nov. 4 from 6 to 8:30 p.m. at the UC Davis ...

After a century of observations spanning the breadth of the cosmos and theoretical insights that push humanity's vision of the universe to its utmost limits, we can finally, confidently say that the ...

Rob Coyne receives funding from the National Aeronautics and Space Administration (NASA) and the US National Science Foundation (NSF). About a century ago, scientists were struggling to reconcile what ...