One photographer put the age of starlight into perspective with stunning projections on some of Earth's oldest rock ...

It's one thing to read about years gone by between the pages of a fascinating history book. But nothing brings the past back ...

Earth is home to some truly bizarre and breathtaking landscapes — here are 20 that look straight out of an alien world.

Hubbard, who first joined the USGS as a postdoc, is part of the agency’s Earth Mapping Resource Initiative (Earth MRI).

Japanese authorities urge evacuation as a massive sinkhole in Saitama grows, hampering rescue efforts to free an elderly truck driver.

Research on hidden structures deep within Earth’s mantle challenges theories about our planet’s middle layer and could ...