Longtime NASA astronaut Don Pettit is set to return from his fourth trip to space on Saturday night. Here are some of his ...

These mysterious night-shining clouds, or noctilucent clouds, seem almost otherworldly, as if the heavens themselves are ...

By Ann Farabee Heaven felt really close that morning. Above me were the whitest white clouds and the bluest blue skies I had ever seen. They hovered above me like I belonged with them. Touching them ...

For more than a millennium, Orthodox Christian monks have woken up in the predawn darkness to start their day with prayer at the Panagia Hozoviotissa ...

Heaven has shown during his first team appearances that he can be a key asset, impressing in the left centre-back position in the absence of Martinez. In fact, despite his age, it was Heaven who ...

While sky gazers look forward to the next astronomical phenomenon, everyone looks up to the heavens for the March ... so when the sun does rise above the horizon, the astronomical event will ...

Tropical marine low clouds play a crucial role in regulating Earth's climate. However, whether they mitigate or exacerbate global warming has long remained a mystery. Now, researchers have ...

However, if the air is particularly warm and humid, and the atmosphere above is much colder, cumulus clouds can rapidly grow vertically into cumulonimbus. When the edges of these clouds look ...

The clouds put a damper on seeing the partial solar eclipse in Massachusetts on Saturday morning. Patchy rain and clouds made it hard to see the sunrise eclipse, which started just after 6:30 a.m ...