Massive underground explosions, perhaps involving ice, have created the pits inside two large impact craters in the Thaumasia Planum region on Mars, say...
Geologists from the University of Saskatchewan and the Geological Survey of Canada have discovered a massive meteor impact from at least 130 million years...
European scientists have discovered a 100 km-wide crater, the result of a massive asteroid or comet impact a billion years before any other known collision...
Researchers have finished counting, outlining and cataloging a staggering 635,000 impact craters on Mars that are roughly a kilometer or more in diameter.
Mars:...
An international team of scientists has suggested that asteroid impact craters may be the best place to look for signs of life on Mars and other planets.
Hellas...