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Space
Space
Science
Robert Lea

Mysterious radio pulses detected high above Antarctica may be evidence of an exotic new particle, scientists say

Antarctica Antarctic Earth Penn State
A illustration shows a strange signal on the horizon of Antarctic.

A cosmic particle detector has spotted a burst of strange radio signals from the ice of Antarctica that currently defy explanation. The results could hint at the existence of new particles, or interactions between particles currently unknown to physics, scientists say.

The mystery radio pulses were picked up about 25 miles (40 kilometers) above Earth by the Antarctic Impulsive Transient Antenna (ANITA) experiment. ANITA is a series of instruments that float over Antarctica, carried by balloons with the aim of detecting ultra-high-energy (UHE) cosmic neutrinos and other cosmic rays as they pelt Earth from space.

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