The dark, tsunami-like cloud formation billowed across parts of Portugal’s northern and central coasts, as the country set a ...

Have you ever looked up at the sky and been struck speechless by a cloud so strange it seemed like a message from another ...

If you looked at the churning clouds near Jupiter’s pole, they appear like ocean currents on Earth — as if you’re looking at small edges and meandering fronts in the Baltic Sea.

A 2015 satellite photo captured a series of stunning "von Kármán vortices" swirling off Madeira and the Canary Islands. The ...

With these Wirecutter-approved picks under $100, you don’t have to spend a lot to get a good deal this Amazon Prime Day.

Matt Hoenig is tracking temperatures on the rise that could be record-breaking by the start of the work week. There is also a ...

Tropical conditions are expected to be quiet as Saharan dust and wind shear help prevent any storm development.

Sea cucumbers are in the phylum Echinodermata with sea stars, sea urchins and brittle stars. All echinoderms start with spiny skin (thus the Latin name echinoderm, which means hedgehog-like).

Sea cucumbers are in the phylum Echinodermata with sea stars, sea urchins and brittle stars. All echinoderms start with spiny skin (thus the Latin name echinoderm, which means hedgehog-like).

Standing tall against the blue sky, Marblehead Lighthouse looks like it jumped right off a postcard. This white tower with its bright red top has been guiding ships since the early 1800s. It’s the ...

From volcanoes to rope scrambles, here are 10 hikes in Southeast Asia ranked from easy to intense, with prices, hike times, ...