资讯

Melting polar ice is slowing the Earth’s rotation, but not enough to offset an even greater acceleration caused by changes in ...
What if Venus became Earth's moon? Explore how our planet would change if Earth’s twin, a planet almost the same size and ...
In the state of Oregon, the Painted Hills offer a quieter but no less fascinating example of natural colour layering. The ...
Over a thousand miles from the surface, in Earth’s D” layer—right on the edge of the liquid metal outer core—there is a weird ...
Thick clay deposits on Mars hint at long-lived lakes that may have sheltered early life - and preserved clues beneath layers ...
Scientists believe that gold and other precious metals are slowly leaking to the surface from Earth's core through Hawaiian ...
The thick, mineral-rich layers of clay found on Mars suggest that the Red Planet harbored potentially life-hosting ...
Our planet has been asteroid-smashed, melted and eroded, enough that most of its original armor has been long buried. Except ...
Titan, Saturn's largest moon, could harbor life in its hidden underground ocean – yet Titan's entire aquatic biosphere may ...
For the service's 20th anniversary, Google was inspired by a social media trend from last year in which people shared ...
Debris from rockets and satellites can fall back to Earth or collide with other objects, and wreckage that burns up can harm ...
Starlink already accounts for 40% of all the satellites ever launched, and each one releases harmful aluminum oxides when ...