The human body was not built for spaceflight, with its microgravity conditions, exposure to high-energy radiation and other ...

If astronauts could slow their metabolic rate drastically, they could potentially “sleep” through long voyages between the ...

Several recent aviation incidents, including engine fires and devastating airplane accidents occurring back to back in recent weeks, have raised concerns about the safety of air travel. However, there ...

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Falling space junk has already disrupted air travel this year, with debris from a Space X test ... by up to six hours as a result of falling space junk. In both instances, no plane was hit by the ...

Space junk like this poses a real risk to air travel due to the unpredictable nature of its fall back to the surface. Plus, pieces like rocket bodies are large enough to survive re-entry through ...