If an alien civilization has technology similar to ours, could it detect life on Earth? Answering this will help our own ...

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This expansive forest stretches across several South American countries, breathing life into the very atmosphere we depend on ...

The turn-based strategy game Civilization VII emphasizes chaotic transition periods when latent challenges all emerge at once ...

Western civilization has entered the long-predicted Secular Age when the power of religion over society gradually recedes. Europe started the shift after World War II. Churchgoing diminished until ...

Researchers have discovered the maximum distance aliens would be able to detect signatures from Earth using technology similar to ours.

As a historian, one of my favorite periods in history is the mid-1850s when immigrant settlers began scoping out the frontier, selecting townsites and staking claims. This period in local history ...

If an extraterrestrial civilization existed with technology comparable to ours, would they be able to detect Earth?