Social media users across the Southwest, including in Arizona, shared photos of a mysterious beam of light in the sky on the ...

Beyoncé wore a custom bolo necklace by Brilliant Earth onstage during her Cowboy Carter Tour The piece featured a large black ...

Skywatchers were left surprised, puzzled and awestruck by a mysterious streak of light slicing through the night sky.

Space telescopes capture invisible light, which is converted into 1s and 0s for processing on Earth. Specialists refine raw ...

Scientists have decoded the atomic structure of Photosystem I from a 3-billion-year-old cyanobacteria lineage, offering a unique look at early oxygen-producing photosynthesis. The ancient nanodevice, ...

Jupiter’s auroras sparkle with mystery — and Webb just uncovered a cosmic riddle scientists didn’t see coming.

The record sheds light on the climate early humans experienced when they were spreading out of Africa. A tree-ringed African ...

Looking for something to put your fancy TV or projector to the test? Then stream one of the shows or films on this list. We've put together the best 4K movies and series right here.

Astronomers using NASA’s IXPE satellite have finally cracked a cosmic mystery—how X-rays are produced in the energetic jets ...

Stunning stellar explosions occur every second across the cosmos – some observable, most too distant to ever know, all of ...

These are objects with mass so concentrated that nothing—not even light—can escape their gravitational pull, hence the term "black ... has become a kind of white flag: it signals that ...

(CNN) — When President Donald Trump welcomes his new Canadian counterpart to the White House on Tuesday, among the questions looming over their Oval Office encounter will be whether Trump will ...