In the first fractions of a second after the Big Bang, the universe ballooned outward at a speed that still defies explanation, stretching space itself before stars or even atoms had a chance to form.

ST. LOUIS – The sky is always changing colors—from a bright blue on a clear day, to red and orange sunrises or sunsets, or multiple colors of a rainbow—there’s a lot going on that we don’t always ...

We experience beautiful sunrises and sunsets here in Michigan all the time. Cotton candy-colored sunsets are my favorite, and I'm sure you have your favorites too. Have you ever wondered why we see ...

NASA has just turned the entire sky into a kind of infrared rainbow, capturing it in 102 distinct colors that reveal structures and histories our eyes can never see. By scanning the cosmos in this ...

(WHTM) — You probably wonder, but never researched, why the sky is blue and a color such as purple or green. It doesn’t have anything to do with the oceans or anything on Earth, but it has to do with ...

Earth's atmosphere scatters sunlight, making the sky appear blue due to shorter blue light waves. Longer waves, like red and yellow, dominate sunsets as light travels through more atmosphere. This ...

The first full-color science images from the Euclid space telescope showcase crystal-clear views of hundreds of thousands of galaxies, star clusters and other stunning cosmic objects. The images are ...