This shimmering view of interstellar gas and dust was captured by the European Space Agency's Euclid space telescope. The ...

The visual effect is known as a lunar halo or a 22-degree halo, and it's caused by light from the moon hitting millions of ...

Astrophotographer Mark Johnstron captured a mesmerizing cloud of hydrogen plasma dancing above the sun's limb in this ...

It's a reminder of why preserving pristine night skies remains essential for both astronomy and human wonder.

Scientists found that colorful pigments in Earth’s cloud microbes may help telescopes identify signs of life on distant ...