However, there is a dark cloud on the horizon of this celebration. Two gatecrashers have turned up to the party to remind us that the last two and a half decades haven't only been filled with ...

Stock image of a very dark cloud over a city. Istanbul was thrust into darkness on Tuesday as a heavy cloud rolled over the city, nearly blocking out the sun entirely for around 5 minutes.

In the awe-inspiring footage, shot in Haikou city, Hainan, and posted on Aug. 26, the resplendent circle can be seen hovering over a dark cloud like some sort of cosmic shaved ice. As it turns out ...

The cloud, named Eos, is chock-full of molecular ... And “it is literally glowing in the dark,” she added. Identifying and studying clouds like Eos, particularly based on their hydrogen ...