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NASA wants a cheaper Mars Sample Return—Boeing proposes most expensive rocketNASA is looking for a more cost-effective way to conduct a Mars Sample Return mission, and Boeing has proposed a new concept that involves only one launch. This could potentially reduce the complexity and cost of the mission. However, Boeing’s proposed rocket is also the most expensive option, so it remains to be seen if this concept will be chosen by NASA.

A recent study suggests that the near-collapse of the geomagnetic field during the Ediacaran period may have played a role in the diversification of life on Earth. This coincided with a significant increase in oxygen levels, which could have provided a favorable environment for the development of new species. The ultra-weak geomagnetic field may have allowed for increased solar radiation, leading to higher oxygen production through photosynthesis. This discovery sheds light on the potential impact of Earth’s magnetic field on the evolution of life.

Scientists have discovered mysterious objects in space that could potentially be giant Dyson Spheres, structures built by advanced civilizations to harness the energy of their stars. This discovery is both exciting and poetic, as it represents humanity’s ongoing search for other intelligent life in the vast expanse of the Milky Way. While the objects have not yet been confirmed as Dyson Spheres, the possibility alone is enough to spark curiosity and wonder about the potential for other civilizations in our universe.