For centuries, we’ve looked up at the stars and wondered if the universe is infinite. We know there is a visible boundary of what we can observe, defined by how far light has traveled since the Big ...

The world's most powerful telescopes, including the James Webb Space Telescope and FAST, are revolutionizing our ...

For one, scientists observe a "cosmic fossil" called the cosmic microwave background (CMB). The first light that was free to ...

Today, scientists are able to observe an exoplanet orbiting its star, an individual galaxy and even the entire universe. "The universe is actually mostly empty space," says Jean-Paul Kneib, a ...

Earth and our entire Milky Way galaxy may sit inside a mysterious giant hole which makes the cosmos expand faster here than ...

In just over 10 hours of test observations, the Vera C. Rubin Observatory captured millions of celestial objects, opening the ...

One of the first images released by the Rubin Observatory reveals a universe teeming with stars and galaxies.. In an image the observatory refers to as "the cosmic treasure chest," a southern ...

"To fully understand the evolution of our universe we need to observe the sky in both optical and longer wavelength infrared light." Stacking 141 images on top of each other, ...

World's largest digital camera observes cosmos, capturing detailed images of galaxies, asteroids, and stars changing ...

This idea has been formulated a couple different ways over the years. Weak AP asserts that because humans are observing the universe, it must have evolved to support the emergence of intelligent life.

Using facilities like the Large Hadron Collider at CERN in Switzerland, scientists have probed the universe down to really small scales. So far, they’ve been able to observe the universe down to about ...