The fictitious asteroid in the simulation was called 2021PDC ... that are out there that could represent an impact hazard to the Earth." Of course, humanity hopes to avoid a surprise like the ...

California researchers have developed a simulation of what impact a giant explosive ... The device would either deflect the asteroid away from Earth or it could disrupt the asteroid, breaking ...

Deep beneath Greenland's ice, NASA radar happened upon Camp Century, a long-lost Cold War base now buried under 100 feet of ...