Could it be aliens? A strange radio signal came from a planet similar to Earth 238 light-years away, puzzling astronomers
A 1936 New York photograph shows a man holding an object resembling a mobile phone, while a similar 1943 photo raises the possibility of a time traveler
Asteroid Bennu is moving toward Earth with the energy of 22 atomic bombs: scientists are researching the threat to save the planet
Ukrainian paratrooper keeps his cool after enemy grenade lands nearby, throwing it and his own grenade into a Russian shelter
The mystery of Scotland’s 700-year-old skeleton unraveled: his devastating injuries resembled the impact of a modern car accident
US and European policymakers are examining solar geoengineering, a controversial idea that could reflect sunlight and cool the planet
Astronomers spotted a planet orbiting completely backward, and the strange path of sub-Neptune GJ 3090 b makes no sense
Like a real Terminator, a man enters the first-ever fight against a humanoid robot, but the battle does not go as expected for the human
New mysterious lights over Tehran: shiny multicolored objects spotted again 50 years after a similar UFO sighting in 1976
AI error nearly triggered a US military operation against a Chinese vessel after false intelligence wrongly identified its cargo
A Leopard 2 tank single-handedly defeated an entire armored column of the Russian army. Ukrainian tankers began to apply a new strategy
After studying spots on the surface of Mars, NASA scientists stated that the only explanation for their presence is possible biological activity
