Researchers race to find Earth’s oldest craters

Researchers race to find Earth’s oldest craters

[ad_1] Located in South Africa is the Vredefort Crater measuring 25 miles (40 km) deep and 62 miles (100 km) wide. It is the world’s oldest and largest known impact structure. Credit: NASA Earth Observatory/Lauren Dauphin/U.S. Geological Survey. The most common...
Firefoxes and whale spouts light up Earth’s shield

Firefoxes and whale spouts light up Earth’s shield

[ad_1] Did you know, the Northern lights or Aurora Borealis are created when the mythical Finnish ‘Firefox’ runs so quickly across the snow that its tail causes sparks to fly into the night sky? At least, that’s one of the stories that has been told in Finland about...