For much of the past century, scientists believed dinosaurs were already in decline when the asteroid struck 66 million years ago — but a 2025 study published in Science found fossils in New Mexico sh

Quick Brief

Space Daily published this science story on July 5, 2026. For much of the past century, many scientists believed the dinosaurs were already in decline when the asteroid struck 66 million years ago, a group past its prime that a cosmic accident merely finished off.

A 2025 study published in the journal Scien...

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Background

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Key Details

• Headline: For much of the past century, scientists believed dinosaurs were already in decline when the asteroid struck 66 million years ago — but a 2025 study published in Science found fossils in New Mexico sh
• Source: Space Daily
• Published: July 5, 2026
• Category: science
• Available source detail: For much of the past century, many scientists believed the dinosaurs were already in decline when the asteroid struck 66 million years ago, a group past its prime that a cosmic accident merely finished off.
• The original report is linked on the article page.

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Source and Transparency

Source: Space Daily

This BRIEFXIFY brief is AI-assisted and based on publicly available news source information. It is written for quick understanding and does not replace the original report. Read the original source for full context.