Why it's incredible: Evidence suggests it could be the greatest known impact crater on Earth. The Wilkes Land crater is a hole in the bedrock beneath East Antarctica's ice sheet measuring 315 miles ...
Just a few decades ago, the sky above Antarctica became a symbol of environmental crisis. Scientists had discovered a massive hole in the ozone layer-a protective shield in Earth's atmosphere that ...
GENEVA (AP) — The European Union’s Earth observation program says the ozone hole over Antarctica has swelled to its largest size and deepest level in years. Experts at the Copernicus Atmospheric ...
The Wilkes Land crater is a hole in the bedrock beneath East Antarctica 's ice sheet measuring 315 miles (510 kilometers) across. Researchers have been trying to explain its existence since the 1960s, ...
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