New observations from the James Webb Space Telescope (JWST) suggest the cosmos may be much older than once believed. For ...

Is the Hubble constant—a key part of how we measure the expansion of our universe—in a crisis? Some cosmologists say yes.

The images Euclid is capturing are a treasure ... Dark energy, meanwhile, is the mysterious influence driving the accelerated ...

As the Vera C. Rubin Observatory surveys the night sky, astrophysicists expect to unlock the secrets of dark matter, dark ...

Data from NASA's James Webb Space Telescope has revealed dozens of small galaxies that played a starring role in a cosmic ...

The images and other information released Wednesday ... is creating a cosmic atlas to gain clues about how our ever-expanding universe works and how mysterious forces called dark energy and ...

As the universe expands, it feels like it must be spreading out from some initial point. But a physicist explains why that’s ...

Additionally, these new images have helped to support the standard cosmological model, our current best theory about the universe's formation, by measuring the speed of the universe's expansion.

And not only that — the researchers say the new images have helped them measure more precisely the age of the universe (13.8 billion years) and how quickly it's expanding (67-68 kilometers per ...

Fresh evidence suggests that the universe is expanding faster today than it did ... NASA's Hubble Space Telescope has captured many stunning images. Among the most memorable is this edge-on ...

By capturing detailed, long-exposure images of space features like ... and what we don’t. [ Related: The universe isn’t just expanding—it may be spinning. ] Let’s get the disappointment ...