Knowtex

I remember my retirement like it was yesterday. As I recall, I am still working, though not as hard as I did when I was younger.

We can never really be aware of or live in what we call "now". Because it takes time for our brain to process the information about what's happening now… and it takes time for that information to get from the rest of our body to our brain. So, we live in the past!

The Steven Spielberg's serie Terra Nova trailer. When ecolos are going to live 85 million years in the past...

Archaeologists typically record and analyse the traces of past human activities. But a new study by archaeologists has been examining marks made much more recently : graffiti by th Sex Pistols.

A new technique lets archaeologists reconstruct the past in greater detail

Animals drawing by Jaime Chirinos. Explore the site.

Though the eruption of Iceland's Eyjafjallajökull volcano caused major air travel problems across Europe, it ranked relatively low on the Volcanic Explosivity Index. Here's a look at biggest volcanic eruptions from across the globe over the past 200 years.

Time travelers' intentions may be noble, but the plans always seem to go awry, leaving history unchanged or even worse than when they left. We list all the ways their attempts go wrong, so you can plan your time travel accordingly.

Unusually warm and cold periods in Earth's pre-industrial climate history are linked to how the oceans responded to temperature changes, say scientists.

Here's a handy survival guide to tape up in your time machine.