Earth’s first sponges may have been ghostly, soft-bodied pioneers—ancient animals that evolved long before their skeletons ever appeared in stone.

Today marks the 20th anniversary of the introduction of the MacBook Pro, unveiled by Steve Jobs as a "One More Thing" segment ...

A seven-million-year-old fossil may mark the moment our ancestors first stood up and walked.

A new study theorizes that evolution ticks at different speeds, especially when a big group of organisms first appears.

Research on the Anchiornis specimen reveals hidden feather structures that contradict old theories on dinosaur flight. Scientists are now re-evaluating how and when animals first took to the skies. A ...