Through the use of eggs generated from male cells, scientists have successfully produced mice with two biological fathers, a groundbreaking achievement that presents radical possibilities for reproductive research. This breakthrough could potentially lead to treatments for severe cases of infertilit...

When Falcon Heavy lifted off, it would have been the most powerful operational rocket in the world by a factor of two. With the ability to lift into orbit nearly 64 metric tons (141,000 lb)---a mass greater than a 737 jetliner loaded with passengers, crew, luggage and fuel--Falcon Heavy can lift mor...

The European spacecraft Rosetta has become the first ever to catch up with a comet. It is a landmark step in a decade-long mission that scientists hope will help unlock some of the secrets of the solar system. Rosetta will accompany comet 67P/Churymov-Gerasimenko on its trip around the sun and land ...

There is a whole ocean of rarely seen creatures that run the gamut in terms of appearance and sizes. Some of the following animals live deep down in the waters and rarely or never see the rays of our sun. These particular animals live in environments so drastically different than any other animals ...

The Memphis Zoo staff welcomed a baby reticulated giraffe born today around noon on August 29, 2008. *WARNING: This video shows the ENTIRE birth.
Female giraffe "Marilyn" and male giraffe "Kenya" are the proud parents of the Zoo's newest arrival. This is the second successful birth of a baby giraf...

Architect Zaha Hadid captured the world's attention and shattered glass ceilings (in addition to designing some) by becoming the first woman to win the Pritzker Architecture Prize in 2004. She was also the first woman awarded the Royal Gold Medal by the Royal Institute of British Architects. ​Initia

When wolves were reintroduced to Yellowstone National Park in the United States after being absent nearly 70 years, the most remarkable "trophic cascade" occurred. What is a trophic cascade and how exactly do wolves change rivers? George Monbiot explains in this movie remix.

It's a cautionary tale with a twist. Unless we do more to protect them, coral reefs could become extinct by 2050 due to pollution & climate change. This video was released just ahead of the landmark Copenhagen summit on climate change in order to draw attention to the plight of these fragile ecosyst...

UFO? Try top secret military aircraft. These are the most mysterious military airplanes, jets and space planes flying today, including the infamous Aurora black triangle, the Boeing X-37, the new Northrop Grumman unmanned RQ-180 stealth drone, the Blackstar space bomber, and stealth Black Hawk helic...

The Temple University School of Medicine research team's approach looks promising as they work towards a permanent cure and potential for protection against HIV. "This is one important step on the path toward a permanent cure for AIDS," says Kamel Khalili, PhD, Professor and Chair of the Department ...