New research suggests the theory that dinosaurs were declining before Chicxulub is the result of a poor (and misleading) fossil record.

The tracks show that two types of ankylosauruses co-existed at a time and place where they were once thought to be extinct.

The plant life ... sauropod dinosaurs called titanosaurs. Patagotitan, a 37.5-metre-long titanosaur from Argentina in South America, might be the largest found so far. But it's possible that one day ...

Source: Discover Magazine Recent research led ... to a ground-based lifestyle millions of years before the asteroid impact that wiped out the dinosaurs. Published in Palaeontology, this study ...