Oxygen fills the air today, but for most of Earth’s early history it barely existed. Scientists say the atmosphere did not hold steady oxygen until about 2.

Auroras, shimmering bands of light that shoot through the night sky near the Earth’s poles, can follow patterns known as arcs ...

Australia is doing absolutely everything to protect its most iconic ecosystem — except, perhaps, the one thing that really ...

Re:Public reports the Antiquities Act faces uncertainty, as recent legal challenges and political shifts threaten its future.

The people you'll read about here are, as the Irish or the Scots would put it, eejits. To paraphrase Kirk Lazarus from Tropic Thunder, morons. Imbeciles. The dumbest folks that ever lived. Well, maybe ...

Has driving through history ever been so cool, beautiful and timely than visiting Cape Canaveral, the original and current ...

A rare carbonaceous meteorite discovered in the Western Sahara has captured the attention of scientists for containing grains ...

If you imagine the earliest animals on Earth, you might picture something simple but sturdy. Maybe a sponge-like creature ...

The Golden Gate Bridge is one of the most majestic structures on Earth. Even more impressive, perhaps, is that the bridge was built swiftly and opened in 1937, on time and under budget. This makes it ...

Over 150 years ago, a fossilized organism known as Prototaxites emerged as an enigma regarding what early land life may have been like. Winter storm drone footage shows frozen scenes from Texas to New ...

This is read by an automated voice. Please report any issues or inconsistencies here. A Pew Research poll reveals partisan division over U.S. scientific leadership, with Democrats far more concerned ...

At the start of the year, Earth will quietly reach a milestone in its orbit around the sun. Known as perihelion, this is the moment when our planet is closer to the sun than at any other point in the ...