A layer of rock just 520 million years old sat directly on top of ancient rock dating back 1.4 to 1.8 billion years.

Around 2.3 billion years ago, the Great Oxygenation Event (GOE) marked a major turning point in Earth’s history. The increase ...

Around 1.7 billion years ago, eukaryotes—the building blocks of complex life—first appeared on Earth, and now scientists have ...

In 1869, John Wesley Powell was studying layers of rock in the Grand Canyon when he noticed an unconformity in the layers. Around a billion years were missing, and the problem turned out to be global.

Houchin and his colleagues studied dozens of zircon crystals from the Jack Hills in Western Australia. These are the oldest ...

"For asteroids of the size scale relevant to planetary defense (i.e., ∼50-500 m), the mass can only be directly measured ...

There are many open questions about how our planet formed 4.55 billion years ago: When did plate tectonics start? When did the Earth's mantle begin to vigorously circulate in a process called ...

Compared to previous theories, the current research emphasizes the complexity of the biological and chemical processes that brought about life.

The woolly mammoth’s extinction remains one of paleontology’s most contested questions. Most mainland populations vanished between 13,000 and 10,000 years ago. A small population persisted on Wrangel ...

Sponges may be ancient, but their timeline has been murky. New research suggests the earliest sponges were soft and ...

The fifth season of the hit Apple TV sci-fi show For All Mankind is set to premiere globally on Friday March 27, 2026, with a ...

Michael Jordan’s NASCAR 3-peat is another milestone for the GOAT ...