This Cold War outpost concealed more than submarines—it hosted a devastating eruption that cooled the planet nearly 200 years ...

A 2024 satellite photo shows four end-to-end volcanoes perfectly spaced out along the Russian island of Simushir. One of ...

A failed Venus mission fell from the sky over the weekend after aimlessly orbiting Earth for the past 53 years. Various ...

A Soviet spacecraft launched in 1972 on a failed mission to Venus is believed to have crashed back to Earth early on Saturday morning. The European Space Agency, which was monitoring the craft’s ...