科学与环境
The north pole of Mars is less dusty than scientists thought
来源: Phys.org - latest science and technology news stories · 发布于
Although Mars may have once resembled Earth, the rocky red planet now appears far from hospitable. Still, certain details—such as ice-bound water—pique researchers' curiosity. As on Earth, ice on Mars contains valuable records of past climate that could reveal whether the planet
Although Mars may have once resembled Earth, the rocky red planet now appears far from hospitable. Still, certain details—such as ice-bound water—pique researchers' curiosity. As on Earth, ice on Mars contains valuable records of past climate that could reveal whether the planet hosts, or has ever hosted, life.
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Four and a half billion years ago, Earth and Mars were born in the rotating cloud of gas and dust that would eventually become our solar system. Yet exactly how the planets formed remains one of the most disputed questions in planetary science.
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Sugar found in meteorites may have helped secure its own survival on early Earth
Is there life elsewhere, or is Earth unique in the universe? This is one of humanity's great unanswered questions. One way to approach this mystery is to investigate how life began here on Earth. Our research explores the conditions in which a mixture of molecules somehow transfo
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The 40 minutes when the Artemis crew loses contact with the Earth
As the astronauts pass behind the Moon they will experience a moment of silence and solitude as communication with the Earth is blocked.
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Starship's first orbital flight put its heat shield to the test
SpaceX's Starship, the most powerful launch vehicle ever developed, reached Earth orbit for the first time on Sept. 28, 2026. This mission, the rocket's 14th test flight, also marked the first time that Starship deployed Starlink internet satellites into the existing larger const
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NASA's Perseverance Mars rover finds groundwater, lakes, and hot fluids in one place
NASA’s Perseverance rover has uncovered a surprisingly complicated history of water in Jezero Crater. Scientists expected the crater’s Margin Unit to contain lake sediments, but instead found ancient igneous rocks that were altered by water on at least three separate occasions.
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