A Dyson sphere is a hypothetical megastructure proposed ... a Dyson swarm of small individual solar collectors orbiting the star, or a Dyson shell, comprising a solid shell totally encasing ...

These 20 completely non-nacreous pen pearls, from the group of 22 samples in this study, are set against a pen shell displaying both nacreous ... a reflectance accessory fitted with an integrating ...

The Junonia is a coveted shell found off the coasts of Florida. It is distinguished by its attractive brownish spots. The shell is part of the Volutidae family. Note to readers: This is Part 3 in ...

The Moskalev's Limpet is a small, cream-colored shell with a conical shape. This shell is found in the Puerto Rico Trench, the deepest part of the Atlantic Ocean. Note to readers: This is Part 1 ...

The Cowrie shell, part of the Cypraeidae family, is found in Western Australia and is known for its glossy exterior and spotted pattern. This particular shell is extremely rare, with only a ...

If you’ve ever taken a dip in the ocean and returned to your beach chair only to find your towel has blown away, these bands ...