Most people believe rainforests are the lungs of our planet, pumping out vast amounts of the oxygen we breathe. This ...

Earth once roamed with creatures beyond imagination—towering predators, colossal grazers, and alien-looking giants. Some ...

That’s the compelling argument made by Caleb Scharf—author and senior scientist for astrobiology at NASA Ames Research in ...

A study conducted by scientists from NASA and Toho University in Japan used a supercomputer to predict how long we have before Earth becomes ...

Tarsiers, the smallest primates, are unique for being fully carnivorous, feeding on live prey like insects and small vertebrates. These Southeast Asia ...

"The pace of change we’re seeing today is unlike anything we know of in the past 66 million years," said ecologist Jack Hatfield.

The story of Australia and its peoples is vast and deep. It's one you should know, but possibly one you've never been told. Well, not like this anyway.

Human activity may be triggering the greatest extinction event since the asteroid impact that wiped out the dinosaurs, ...

They might've looked something like the space station in the film "2001: A Space Odyssey." There once was a dream of cities in space — vast cylindrical habitats, self-sufficient and populated by ...

An error has occurred. Please try again. With a The Portland Press Herald subscription, you can gift 5 articles each month. It looks like you do not have any active ...

No one can say with scientific confidence why we exist or what happens when we die. In fact, scientists have a tenuous grasp ...