Other Habitats For Humans

President Barack Obama says the United States is partnering with commercial companies to build "new habitats" to try to send humans safely to Mars within two decades.

A year ago, an American killed a lion in Zimbabwe in what authorities said was an illegal hunt, infuriating people worldwide and invigorating an international campaign against trophy hunting in Africa. Some conservationists, however, warn there are greater threats to Africa's beleaguered lion populations, including human encroachment on their habit...

President Barack Obama says the United States is partnering with commercial companies to build "new habitats" to try to send humans safely to Mars within two decades.

A year ago, an American killed a lion in Zimbabwe in what authorities said was an illegal hunt, infuriating people worldwide and invigorating an international campaign against trophy hunting in Africa. Some conservationists, however, warn there are greater threats to Africa's beleaguered lion populations, including human encroachment on their habit...