Scientists found an intriguing world in our galaxy.

Using the Hubble Space Telescope (HST), astronomers from the University of California Santa Cruz (UCSC) and elsewhere have ...

Through the lens of the Hubble and James Webb Space Telescopes, scientists are zeroing in on the Hubble Constant, a vital ...

How is matter different from mass? These and other questions about the deepest levels of physics, answered inside.

Pinpointing a Milepost Marker Star that Opened the Realm of Galaxies At the dawn of the 20th century, astronomers faced a ...

Since then, the rate of expansion – called the Hubble constant – has been the focus of countless measurements. Each generation of scientists tries to pin down its exact value, aiming to understand how ...

One of NASA's two stuck astronauts got a much welcomed change of scenery Thursday, stepping out on her first spacewalk since ...

Lee Feinberg, HWO's principal architect based at Goddard, said in a separate presentation that NASA is currently envisioning a massive space telescope nearly 20 feet (6 meters) wide, and suggested it ...

This discrepancy between model and data became known as the Hubble tension. Now, results published in the Astrophysical Journal Letters provide even stronger support to the faster rate of expansion.

Here’s how it works. The Apple Watch Ultra 2 is definitely the best smartwatch going right now, thanks to its rugged titanium shell, excellent battery life, display, and more. So what does 2025 ...