ESA confirmed that the 3I/ATLAS encounter was used as a planetary-defense rehearsal, conducted under the European Space ...

Parker Solar Probe Makes History by Touching the Sun 8 million miles above the Sun's surface on December 24, 2024, traveling ...

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I grew up loving space documentaries, so I was genuinely annoyed when I realized how many “facts” I’d absorbed were just ...

I/ATLAS's unexpected acceleration is likely caused by mass loss and outgassing as it passes close to the sun, not advanced ...

Birds and dinosaurs lived together for millions of years, but only toothless birds survived the asteroid impact that upended ...

Due to the lapse in federal government funding, NASA is not updating this website. We're working continuously to improve our search results. If you aren't finding what you expect, please use our ...

Due to the lapse in federal government funding, NASA is not updating this website. We're working continuously to improve our search results. If you aren't finding what you expect, please use our ...

In the distant past, the solar system was rife with impacts and collisions. Millions of rocky objects zoomed chaotically through the system, smashing into each other in collisional cascades. Over time ...

On Oct. 1, 2025, the small asteroid known as 2025 TF whizzed past Earth at a distance of only 266 miles (428 kilometers) from our planet — roughly the same altitude as the International Space Station.

Earth has a near miss—twice—after two small asteroids seemingly passed alarmingly close to the planet, less than two days apart, one of them going completely unnoticed until hours after it had already ...