Antarctic Dinosaur Hunt; 60 Days in Bed For Science; Noise May Disturb Sea Floor Ecosystem
Did Some of Today’s Species Get Their Start in Antarctica? We know Antarctica is the land of snow and ice and is the coldest place on Earth. But believe it or not, this polar continent, was once quite warm, due to the different, earlier atmosphere. Antarctica was covered with lush vegetation and teeming with a […]
Earth’s Atmosphere Got Its Oxygen in Periodic Bursts Over a 100 Million Year Period
For about the first 2.1 billion years of Earth’s history, its atmosphere didn’t have enough oxygen to support complex life. Scientists believe that Earth’s first atmosphere,formed after its creation, was probably made up of hydrogen and helium. Then as a result of volcanic eruptions that spewed gases from Earth’s interior, in a process known as […]