The autumn equinox is now upon us! Today marks the moment that the sun crosses the celestial equator, ushering in the beginning of astronomical autumn in the northern hemisphere, which brings with it ...

During the Mid-Pleistocene Transition (MPT), the Earth adopted a 100,000-year glacial-interglacial cycle compared to the previous 41,000-year cycle. Scientists have now discovered landforms created ...

The southern hemisphere of Mars is home to a crater that contains very well-preserved gullies and debris flow deposits. The geomorphological attributes of these landforms provide evidence that they ...

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