It's time for an honest conversation.
There are plenty of life-friendly stellar systems in the Universe today. But at some point in the far future, life's final extinction will occur.
Stone Age megastructure under Baltic Sea sheds light on strategy used by Palaeolithic hunters over 10,000 years ago
Archaeologists have identified what may be Europe’s oldest human-made megastructure.
In revolutionary Russia, a group of forward-thinking philosophers offered an alternative to both futurism and communism.