91av

geology

An illustration of Earth 250 million years ago when it was covered by the megacontinent Pangaea

Earth

Earth’s tectonic plates may have sped up three times in its past

Earth may have experienced three geological big bangs in which its tectonic plates started to move 30 to 50 per cent faster than normal – this may have influenced the evolution of life

News
Devon island

Space

Ancient valleys on Mars may have been carved by glaciers

News
stonehenge

Humans

We’ve finally figured out where Stonehenge’s giant boulders came from

News

Fossils

Earth

Seismic waves reveal giant structures deep beneath Earth’s surface

News

Environment

All five of Earth’s largest mass extinctions linked to global warming

News

Earth

Plate tectonics may have started on Earth 3.2 billion years ago

News

Space

A giant raft of rock may once have floated across Mars’s ancient ocean

News
Putorana plateau and mountains in Siberia, Russie

Earth

Rock peeling off continents may have triggered biggest mass extinction

News
surface of Venus

Space

Strange lines on Venus may be folded stacks of lava eroded by wind

Venus’s surface is covered in strange wiggling lines that may form when colossal stacks of lava are carved by gentle winds over hundreds of millions of years

News

Space

China’s rover has discovered what lies beneath the moon’s far side

News

Life

See the exquisite inner world of the gemstone crazy lace agate

Regulars

Space

Huge Earth-like worlds could host reservoirs of water deep underground

News

The adventures of a geologist: From shipwrecks to mapping the Arctic

Regulars