The US Department of Defense has released hundreds of documents and photographs related to UFOs, some of which have been declassified, in the first of many drops to come

Many flowering plants have duplicated genomes, which could have helped them evolve to deal with extreme stress in times of environmental upheaval

A drone has crashed in the Chernobyl exclusion zone, causing a fire that has spread to 12 square kilometres of land. Dry weather, strong winds and the presence of land…

Satellite measurements show that in the early 2010s sea level rise suddenly accelerated to a rate of 4.1 millimetres per year, possibly in response to an increase in the rate…

The Pentagon on Friday began releasing “never-before-seen” files relating to unidentified anomalous phenomena — previously and more infamously known as unidentified flying objects, or UFOs — that the government has…

Recalling my visit to Thunder Tiger, a Taiwanese company building “non-China” drones for the U.S. military.

How important is thinking about your breath for calming yourself down? We now know that slow breathing is effective even without conscious involvement

An impression made in clay around 175,000 years ago could be a kneeprint left by one of the builders of a strange stalagmite circle found deep inside Bruniquel cave in…

We explore whether Pluto should regain its title as the solar system’s ninth planet

Only 3 per cent of those with polycystic ovary syndrome reach perimenopause by the age of 46, which may allow them to conceive when older