A cosmic ray detector flying high above Antarctica has picked up bizarre signals that scientists say challenge established physics. The Antarctic Impulsive Transient Antenna (ANITA) experiment, ...

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Could the seismic signal of an underground nuclear test explosion be "hidden" by the signal generated by a natural earthquake? The new analysis by Joshua Carmichael and colleagues at Los Alamos ...

A cube one-fortieth the size of a human red blood cell can glow when it detects flammable gas. The nanocube is part of a research project to develop artificial systems that mimic the complex chain of ...

Q: If a fire alarm control panel uses two phone lines and a DACT, NFPA 72 states it must send test signals on both lines. How does the digital communicator know which phone line to use for its 24-hour ...