Stories by Rafi Letzter

Aliens? Or a chunk of solid hydrogen? Which idea makes less sense?

Results from the XENON experiment in Italy hint at the possible discovery of long-sought axions

A new study suggests the cosmos may be curved in upon itself like a ball—but many experts remain unconvinced

The new study demonstrates a bizarre quantum effect at never-before-seen scales

New research reveals that pairs of protons and neutrons within atomic nuclei influence the speed of quarks passing through

Inclement space weather caused dozens of the sea bombs to explode, recently declassified documents reveal

Cosmic rays emanating from the south polar ice cap could lead to new physics

A curious thought experiment explores the physics at play on and within exotic worlds

Earth’s Moon may have once been habitable—but that does not mean it was ever inhabited

The feat could pave the way for more powerful computing, although the technology is still in its early stages

Despite a long-standing international ban, ozone-destroying chlorofluorocarbons are surging back into Earth’s atmosphere from unknown sources

New research suggests a single quantum particle can be used for simultaneous two-way communication

Is the government really stockpiling materials in a Nevada building that scientists cannot identify?

The frozen continent may hide a column of red-hot magma straining toward the surface

Tiny particles called bottom quarks could fuse together in a shockingly powerful reaction