The alien-like phenomenon is caused when ice crystals that are normally higher in the atmosphere flutter closer to the ground and create a crystal fog.
Since November, European Space Agency astronaut Thomas Pesquet has been taking photographs of Earth from the International Space Station, and the results have captivated the world.
The hidden element found in our planet's inner core has been a long-standing question for researchers.
The three-mile-high structure, developed by futurists, would have a smog-eating surface.
The peat forest in the Congo Basin contains more than 30 billion tons of carbon and could release massive amount of greenhouse gases, a study warns.
At temporary green spaces around the city, the Miami Downtown Development Authority is hosting free events and entertainment, including live music, art, fitness classes and food truck events.
Monster winter storms have lead to mudslides and flooding — but could also mean the end of a statewide drought that's heading into its sixth year.
Low oil prices threaten oil sands mines in Canada — a major source of carbon pollution driving climate change.
A travel hacker just flew business class around the globe — on the cheap. Here's how he did it.
In an attempt to attack Beijing's worsening air pollution, the government has created a special police unit to enforce environmental protection regulations.