YouTuber discovers 12-million-year-old shark tooth hidden in a cliffAn amateur palaeontologist discovered a 12-million-year-old shark tooth hiding in a cliff in New Zealand.
Giant Comet Heading to EarthPHILADELPHIA, PENNSYLVANIA — An enormous comet from the outskirts of the solar system is heading towards Earth. Comet Bernardinelli-Bernstein is a thousand times larger than the average comet and..
Shark teeth offer a rare glimpse at prehistoric Earth.
![YouTuber discovers 12-million-year-old shark tooth hidden in a cliff [Video]](https://video.newsserve.net/300/v/20210712/2107071100-YouTuber-discovers-12-million-year-old-shark-tooth.jpg)
![Giant Comet Heading to Earth [Video]](https://video.newsserve.net/300/v/20210702/1321612537-Giant-Comet-Heading-to-Earth.jpg)
