Mexico City is the 5th largest city in the world with population of around approximately 22 million, which classifies Mexico city as a mega city. It is situated in the The Central Mexican Plateau, at 2,240m in elevation. Mexico city is also slowly sinking at a rate of about 10 inches per year! The ...

Trees curb climate change directly by removing carbon dioxide from the atmosphere. Through the process of photosynthesis, forests offset 10 to 20 percent of the country’s greenhouse gas emissions each year. Additionally, trees help protect against climate impacts such as flooding, which is getting w

Virgin Galactic’s VSS Unity, the reusable rocket-powered space plane carrying the company’s first crew of tourists to space, has successfully launched and landed.

Near the start of the 20th century, a mysterious and deadly virus terrified Americans, particularly infecting young kids: Polio. Correspondent Rita Braver looks at the scientific arsenal brought to combat the epidemic and develop a vaccine, and talks with documentary filmmaker Carl Kurlander ("The S

A European space telescope blasted off Saturday on a quest to explore the mysterious and invisible realm known as the dark universe.

SpaceX launched the European Space Agency’s Euclid observatory toward its ultimate destination 1.5 million kilometers away, the Webb Space Telescope’s neighborhood.

100 million pieces of “space junk” currently orbit our planet at 17,500 miles per hour. Adrift investigates the fate of these interstellar objects, which threaten to collide with and destroy satellites and spacecraft.

Director and producer Cath Le Couteur recruited Sally Potter to narrate the fil

East Side Access is the massive mainline rail project New York City has been working on for the past few decades, and it'll bring a brand new terminal to Grand Central Terminal, alongside Long Island Rail Road services. The culmination of the East Side Access project will be the opening of Grand Cen...

The prospect of space travel will feel much different after the Inspiration4 mission—the first orbital mission with an all-civilian crew—launches this fall. Once that happens, the history of human spaceflight will instantly be divided into two eras. There will have been the six decades after the fir

The Arc de Triomphe in Paris has been completely enveloped in silver and blue fabric. The installation, named “L’Arc de Triomphe, Wrapped”, was first conceived by late artists Christo and Jeanne-Claude in 1961. Six decades later, the project was finally brought to life with three months of construct

The Secret File is a compilation of photographs that have been circulated in the internet through viral marketing. It seems that the photos emerged from secret files of governments and agencies from around the world. They have been compiled here not only for pleasure and enjoyment, but to makes u...