Coral reef halos, visible from satellites, can indicate reef health by reflecting predator presence and coral layout.

Astronomers today have been unable to tally up the total matter produced during the Big Bang 13.6 billion years ago. […] ...

69 News viewers shared their pictures of a halo around the moon. For this to happen the moon has to be very bright, so you often only see it if the moon is full. The moon also has to be right ...

These crystals, often hexagonal in shape, act like tiny prisms—bending, refracting, and reflecting light to produce the dramatic 22-degree halo seen around the sun. In some cases, a rarer double ...

Osas Ighodaro wore the earth — literally. Designed by Veekee James, her AMVCA 2025 gown featured organic shapes, mushroom ...