To make matters worse, NASA scientists also discovered that, this year, summer ice in the Antarctic retreated to 764,000 square miles (1.98 million square kilometers) as of March 1, tying for "the ...

The leading theory suggests Earth is a disc with the Arctic Circle in the centre and Antarctica, a 150-foot-tall (45-metre) wall of ice, around the rim. Proponents of the bizarre theory also ...

In general, most flat-earthers believe Earth is a flat, hockey puck-like object covered by a dome, sometimes called a firmament, with walls of ice around the edges of the dome. They believe they ...

Obliquity refers to Earth's tilt. Imagine drawing a straight line through Earth, along its rotational axis around which the planet spins every 24 hours. The angle this line makes to the ecliptic ...

when ice sheets retreat toward the poles. Earth is currently in an interglacial period, with the last glacial period having peaked around 20,000 years ago. Scientists have previously suggested ...