A new bus-sized fossil marine reptile was discovered in Russia. Researchers believe it is one of the biggest and most notorious predators at sea.
Had the extinction-level asteroid struck the planet in a different time and location, the outcome may have been different. If it landed in the ocean, dinosaurs could have survived.
Arsia Mons met its end in the same era dinosaurs ceased to walk the Earth.
The long incubation period of dinosaurs could be part of the reason these species could not compete with more prolific animals millions of years ago.
The asteroid that allegedly hit the Earth and killed all dinosaurs did not actually wipe out all life on Earth. In fact, it may have been one of the reasons why life was restored. There had been reports that life re-emerged exactly where the asteroid hit Earth.