Astronomers have finally imaged the long theorized companion star of Betelgeuse, solving a mystery regarding its dimming that ...

The oldest rocks on Earth are more than four billion years old Published: July 6, 2025 8:51am EDT Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean.

Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name "Hadean" comes from the Greek god of the underworld, reflecting the extreme heat that likely ...

Our galaxy may reside in a billion-light-year-wide cosmic bubble that accelerates local expansion, potentially settling the ...

Our planet has been asteroid-smashed, melted and eroded, enough that most of its original armor has been long buried. Except ...

Strange cone-shaped rocks led scientists to the hidden remains of one of Earth’s oldest asteroid impacts. It could help us find fossil life on Mars.

DEATH VALLEY NATIONAL PARK, Calif. (AP) — When the running gets hard in this desert dubbed “hell on Earth,” Danny Westergaard ...

Earth has experienced both hot and cold periods over time, though warm times have been more common. That’s true of the last 485 million years, as seen in this timeline reported in 2024. Our genus, ...

A 2.35-billion-year-old Moon rock that fell to Earth in Africa is rewriting what we know about lunar volcanism. This rare meteorite, studied by UK scientists and unveiled at a major geochemistry ...

In the 1950s, Stanley Miller and Nobel laureate Harold Urey conducted experiments at the University of Chicago in which they ...