comet

An asteroid explodes on Earth. Illustration: depositphotos.com

What really killed the mammoths? New evidence points to a comet explosion 13 years ago

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Shock-shocked quartz from three classic Clovis sites in North America supports the "Younger Dryas" hypothesis that an exploding comet caused widespread fires, a "vulnerable winter," and the extinction of megafauna and Clovis culture
The launch of the Ofek 19 satellite, 2/9/2025 as captured by vacationers on Palmahim Beach. Screenshot from the X Network

Israel successfully launches the "Ofek 19" observation satellite into space

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The Space Directorate at the Israel Aerospace Industries, the IDF, and the Israel Aerospace Industries carried out a successful launch using the "Shavit" launcher; the satellite entered its orbit around the Earth and will soon undergo tests in preparation for full operational activity.
Comet 3I/ATLAS arrived in the Solar System from an older system located in the thick disk of the Galaxy. Illustration: Avi Blizovsky via DALEE

7-billion-year-old comet shows activity – and may originate from the depths of the galaxy

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3I/ATLAS, a rare interstellar comet that recently entered the solar system, shows signs of cometary activity and its orbit indicates an exit from the thick disk of the Milky Way
A comet at night above an observatory with stars and a figure observing.

Don't blink – the stunning Comet Atlas is breaking up before our eyes

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A meteor breaks up in the atmosphere. Such a phenomenon caused global cooling and the extinction of large animals 12,800 years ago. The image was prepared using DALEE and is not a scientific image

Surprising discovery: a cosmic explosion in the atmosphere may have caused global cooling 12,800 years ago

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The engravings in Gobkali Tepa are considered to be the oldest calendar in the world. Credit: Dr. Martin Sweatman

A 12,000-year-old lunar-solar calendar - the oldest in the world, was discovered on a column at an archaeological site in Turkey

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Research at the 12,000-year-old site of Gobekli Tepe in Turkey suggests that the engravings on ancient pillars probably represent the world's oldest solar calendar, possibly created to commemorate a comet strike
Rosetta's comet in August 2015, when it was closest to the Sun, when most of the glycine was detected. Photo: European Space Agency

Rosetta's comet contains ingredients necessary for life

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The Bavi and Ethan regions on the surface of comet Churyumov-Garsimenko as imaged by the Osiris camera on the Rosetta spacecraft. Photo: European Space Agency

Rosetta photographed the valley formed on the surface of comet 67P as a result of material escaping into space

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The passage of the Comet Sliding Spring by Mars (not in the right proportions). Image: NASA

NASA is primed and ready for Comet Siding Spring's flyby of Mars this evening

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This computer graphic depicts the path of comet 2013 A1, (Siding Spring) through the inner solar system. Photo: NASA\JPL-Caltech

New calculations rule out the possibility of the comet hitting Mars in 2014

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Guessing where to locate the PanSTARRS comet on March 12, 2013 after sunset. Illustration: David Atkinson, Universe Today

Comet Fanstars continues to move north, today may be visible from Israel for a short time after sunset with the naked eye

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

Comet McNutt, which may also become the brightest in the last century, will reach its peak proximity to the sun today, Friday

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

A green comet in the sky - visible in binoculars and telescopes only

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