How the Earth's tilt creates short, cold January days

Above the equator, winter officially begins in December. But in many areas, January is when it really takes hold. Atmospheric scientist Deanna Hence explains the weather and climate factors that combine to produce wintry ...

Image: Tiny crystal of power as basis for solar cell

This crystal of iron pyrite, just four hundredths of a millimeter in size, could function as the light absorbing layer of a tiny solar cell—potentially a promising future source of power on the moon.

No US return to the Moon before 2026: audit

The return of humans to the Moon, already postponed last week by NASA from 2024 to 2025, will actually take place in 2026 "at the earliest", according to a government audit published on Monday.

Nanomagnets offer clues to how avalanches work

The behavior of avalanches has generated interest among physicists for the insights that they can provide about many other systems, not least of which is how snow falls down a mountainside. To that end, a team of researchers ...

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