The largest known Martian meteorite, NWA 16788, has been sold at auction for $5.3 million. The hefty chunk of the Red Planet, which weighs 54 pounds, could help unravel new secrets about Mars — if ...

Out of the 122 lots, the main event is NWA 16788, a Martian meteorite that is the largest piece of Mars ever found on Earth.

In this study, Megalodon teeth consistently showed some of the lowest δ⁶⁶Zn values across the entire fossil dataset, placing them at the very top of the marine food web.

However, after analyzing minerals in fossilized teeth, scientists said the massive shark may have hunted whatever was available in local waters.

However, after analyzing minerals in fossilized teeth, scientists said the massive shark may have hunted whatever was available in local waters.

(CNN) – A new study has found that the megalodon shark may have devoured both large and small prey alike. Previously, it was believed the prehistoric predator only hunted large animals, like whales, ...