Now is the time to look for noctilucent clouds — shimmering ice clouds that glow near the edge of space.

High above the mountains of Italy, a special birthday wingsuit flight becomes an unforgettable journey through clouds, speed, and breathtaking scenery. Launching from a spectacular alpine exit point, ...

New observations show that the supermassive black hole at the center of the Milky Way does not consume nearby dust objects as ...

Some places in Arizona require a map, some require determination, and White Pocket near Marble Canyon requires both plus a ...

I filmed this wild cloud towering over my neighborhood because I have never seen anything like it. The top of the cloud has a ...

For nearly 50 years, scientists have suspected that microscopic marine plankton play a role in cloud formation over the oceans. Now, an experiment led by the University of Helsinki suggests that it ...

So, to determine if the Pink Planet is truly a planet, scientists need to characterize the isotopes in its atmosphere to ...

Mammatus clouds look like bunches of grapes and formed over West Palm Beach this week. While they appear foreboding, mammatus clouds are not directly associated with tornadoes or hail. They are less ...