Spin-orbit coupling – a ubiquitous interaction in condensed-matter physics – has been simulated in ultracold neutral atoms for the first time by physicists in the US. Their experiment involves firing ...

Space debris – the collection of defunct human-made objects in Earth's orbit – is already affecting space agencies, companies ...

Planetary scientists have proposed a solution to the centuries-old problem of why the Moon’s far side bulges at its equator. Ian Garrick-Bethell and colleagues at the Massachusetts Institute of ...

Artificial intelligence is colliding with the hard limits of Earth’s power grids and cooling systems, and the next frontier ...

The long running rivalry between Elon Musk and Jeff Bezos has found a new arena, as both billionaires pivot from launching satellites to planning full scale AI data centers in orbit. Instead of simply ...

In our Solar System, the planetary orbits all have a similar orientation. Their orbital planes vary by a few degrees, but roughly the planets all orbit in the same direction. This invariable plane, as ...

Note: The following article contains spoilers about the Netflix series 3 Body Problem. I first encountered the three-body problem 60 years ago, in a short story called “Placet is a Crazy Place” by ...

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