In the latest research, telescope observations of 3I/ATLAS examine its chemical structure and suggest that it took shape in a ...

Scientists from MIT and their colleagues have estimated the lifetime of the solar nebula — a key stage during which much of the solar system evolution took shape. This new estimate suggests that the ...

Astronomers have revealed new details about the makeup and age of a visiting comet that was born around a distant star. They ...

A rare meteorite has revealed evidence of a massive lost world that once orbited the young Sun before being destroyed in a catastrophic collision. The discovery suggests some early planets formed from ...

Astronomers have detected water on interstellar comet 3I/ATLAS with a deuterium-to-hydrogen ratio exceeding 6.6 × 10−3, a ...

Tiny shavings from a single meteorite could completely overturn our understanding of how the solar system formed, after the space rock turned out to be older than expected. Previous research suggests ...

International astronomers have for the first time witnessed the birth of a planetary system beyond Earth's sun that could one ...

WASHINGTON, June 22 (Reuters) - Scientists studying the comet 3I/ATLAS have determined that this interstellar visitor is remarkably ancient – formed an estimated 10 to 12 billion years ago in a ...

Based on the composition of gases spewed by the icy space rock, researchers estimate that our guest might be up to 12 billion ...