Martin Kamen and Samuel Ruben's discovery of the radioactive isotope carbon-14 in 1940 helped usher in a new era of dating ...

Paradoxes, time loops, and multiverses; these science fiction novels  are the gold standard of time travel. From H.G. Wells ...

Stone tools found in Israel are at least 1.9 million years old, showing humans left Africa earlier than scientists once believed.

Being a fan of George R.R. Martin has become an exercise in extreme patience, as the acclaimed fantasy author doles out ...

“There’s more than a billion years that’s gone,” said Barra Peak, co-author of a 2021 study on this puzzling gap in Earth’s ...

A study confirms that Homo erectus, the direct ancestor of modern humans, arrived hundreds of thousands of years earlier than ...

Researchers used three different methods to date the site, challenging the preexisting notion of the site being between 1.2 and 1.6 million years old.

A new study provides a clearer timeline for one of the most significant prehistoric sites worldwide for the study of human ...

What if Homo erectus (H. erectus), the direct ancestor of modern humans, arrived in China much earlier than we thought? Research published in Science Advances may rewrite our understanding of early ...

Ancient footprints challenge the timeline of human arrival in North America, suggesting people were here much earlier than once believed.

The Starship Enterprise has seen an array of impressive upgrades and modifications over the decades, but which of these ...

According to a metaphysicist, Bill and Ted's Excellent Adventure stands out as a time travel movie that's actually time-consistent.