Ellis Island, the U.S. gateway to immigration from distant lands, has been reopened to visitors, following significant damage from Hurricane Sandy. A visit there, and to the nearby Statue of Liberty, can be emotional, even for those born in the U.S.

A look at the communications of Humpback Whales and other baleen whales, which includes how they sing, why they sing, and why we might consider their vocalizations actual songs.

Coal mining companies and their billionaire owners have titanic plans for Australia. But what disaster course are we on? Take a look to find out what they'd prefer you not to know. Take Action!

Agricultural and corporate interests have long dominated Florida legislature, despite protests from residents and a substantial threat to civilians.

Florida might seem like paradise, but water contamination is a big problem, affecting not only the environment, but businesses and the health of the residents.

Over the last two decades, the environmental crisis of Florida’s Lake Okeechobee has continued to worsen and dominate local headlines. The lake is the nation’s second largest freshwater lake, but due to years of missteps, it’s been producing massive amounts of toxic algae that have closed beaches, destroyed businesses and poisoned swimmers.

Although no one will ever be completely certain why it occurred, many things have been learned about both species from the attack.

How do sharks communicate? Particularly, how would the sharks around the Farallones all know exactly when to evacuate? Scientists who are working on "shark repellent" may have an explanation.

Here we see a simulation of how the attack happened, and find out what effect it had on the population of great white sharks around the Farallon Islands.

Rosetta revisits the exciting scientific discoveries she has made during her time at Comet 67P/Churyumov-Gerasimenko, including the successful search to find Philae. Now it's time to start preparing to descend to the comet for the end of her extraordinary mission.

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 the process.

Seattle artist Matt Sellars shows off the Clovis Point, a skateboard of his own design. Check out a few scenes from its construction and test drive!

David and Ben Crystal explain why Shakespeare verses read with Original Pronunciation convey very different emotions and open up another level of understanding.

Several boats converge near the largest of the Farallon Islands when killer whales are spotted. But what they think is a young killer whale turns out to be a great white shark.

The great white shark and killer whale are both infamous marine predators. Normally they leave each other alone, but one day, biologists off the cost of California witness something unprecedented.