A handful of bite marks on a fossil tens of millions of years old speaks to an ancient tussle between two terrifying apex ...

This is a fascinating story of the interaction of two very iconic animals in the past,” the study’s lead author told NBC News ...

New fossil evidence reveals that an ancient caiman may have preyed on the mighty terror bird, offering rare insight into ...

The flightless and carnivorous terror birds could reach up to 10 feet tall and were among the largest apex predators in South America.

Eilish O’Regan’s article (‘Tens of thousands of children finishing primary school without dental checks due to lack of HSE dentists’, Independent.ie, July 21) made for sober reading. What’s missing ...

Concerns are growing that private equity-led dental companies are pressuring patients into unnecessary treatments, with ...

Rock legend Ozzy Osbourne died July 22 at 76. The rock legend left Des Moines "with bat taste in mouth" after a show in 1982.

Dr. Purva Merchant has been answering letters from gaptoothed children and their parents — roughly 6,000 in all. “Happy ...

How did I get to this point in the column? The “tooth and nail” comment ignited my fire. Let us retreat to the phrase origin. “With tooth and nail” traces back to our ancestors.

Dear Annie: I’ve read a lot of letters in your column about unhappy marriages, especially long-term ones. My partner and I have been married 33 years and have been through everything possible ...

Finding it hard to track the latest U.S. trade policy state of play? Here's a look the deals the president has announced and the rates he's so far threatened to impose in letters to global leaders.