Astrobiologists say we could find evidence of microbial life within the next 10–20 years. What does that mean? Where are we ...

China and Russia have signed a new agreement to build a nuclear power plant on the Moon, designed to support a fully autonomous research station at the lunar South Pole. The International Lunar ...

BACK in the late 1980s, a top water affairs expert said South Africa had enough water for a population of 80 million but that too much was wasted through leakages in old pipelines. Then, households ...

New genomic research suggests our species descended from a deep fusion between two ancient lineages — one of them a mysterious “ghost.” ...

On Thursday the U.S. president ordered the release of federal files related to UFOs and aliens, although no evidence of extraterrestrials visiting Earth is known to exist ...

Two skulls from Yunxian, in northern China, aren’t ancestors of Denisovans after all; they’re actually the oldest known Homo ...

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U.S. Immigration and Customs Enforcement has walked back its statement that a new facility is coming to Lebanon, Tennessee.

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The first assumption posits that all demand is good and essential; it’s an inevitability that must be met. Any reduction in demand represents a decline in quality of life and rising demand is natural.