New measurements of the rate of expansion of the universe, led by astronomers at the University of California, Davis, add to a growing mystery: Estimates of a fundamental constant made with different ...

By studying how light from eight distant quasars is gravitationally lensed as it propagates towards Earth, astronomers have ...

Physicists have improved the accuracy of a technique that uses variable stars to measure distances in the universe, providing a new figure for its expansion rate. When you purchase through links on ...

Ever since the early 20 th century, we’ve known that the universe is expanding. Exactly how quickly it’s expanding, however, remains something of a vexed question. Until now, our theoretical ...

A cosmic camera hog is helping astronomers figure out the rate of the universe’s expansion. Images of the supernova Refsdal have popped up multiple times in the constellation Leo, thanks to light from ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The Coma Cluster, as seen by the Hubble Space Telescope. | Credit: NASA/ESA/Hubble Heritage Team ...

Recent research has unveiled a troubling and persistent mystery at the heart of modern cosmology: the universe is expanding at a faster rate than expected, a finding that challenges our fundamental ...

Something very strange is up with cosmology. In the last few decades, one big question has created a crisis in the field: How fast is the universe expanding? We know that the universe has been ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. The universe is expanding—but astronomers can’t agree how fast ...

Whatever dark energy is, explanations for it have less wiggle room following a Hubble Space Telescope observation that has refined the measurement of the universe’s ...

A view of thousands of galaxies in the galaxy cluster MACS0416, combining data from the James Webb Space Telescope and the Hubble Space Telescope. NASA Something very strange is going on in the ...

The cosmic distance ladder could soon have another rung. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In around 5 billion years, the sun will ...