After cataloging thousands of worlds beyond our solar system, astronomers are now closing in on a far rarer prize: a moon ...

Two asteroids are set for safe flybys near Earth, reassuring the public that no threat exists. NASA emphasizes these events ...

NASA has confirmed that four near-Earth asteroids will pass by Earth within 24 hours, but all will remain at safe distances ...

一项发布在《内科学年鉴》（Annals of Internal Medicine）上的新研究发现，每天一次长距离步行比多次短距离步行更有利于心脏健康，特别是对锻炼量较少的人来说。 The study looked at more than 33,000 adults aged 40 to 79 in the UK who walked fewer than 8,000 steps a day.

Early this year, a surprise space rock made headlines around the globe when the International Asteroid Warning Network ...

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There are several frozen moons in our solar system, orbiting the gas giants. Some of them, despite having temperatures that would make Antarctica feel tropical, have liquid water under the surface.

That’s also true for the other moons that provide the gravitational stress. As a result, the internal oceans may actually ...

They went through the isotope mixtures in Earth and lunar rocks instead of using highly technical models. They dabbled in ...

According to the leading theory of how the Earth-Moon system formed (the Giant Impact Hypothesis), a Mars-sized object (named ...

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