Flashes like Cherenkov radiation in space may reveal negative-energy ghosts, hinting at gaps in gravity theories.

If ever spotted in the emptiness of space, according to theoretical physicist Eugeny Babichev of the University of ...

In September, the Ontario government announced $18-million in funding to allow McMaster to operate the nuclear reactor around ...

Since Einstein, physicists have found that certain entities can reach superluminal (that means "faster-than-light") speeds and still follow the cosmic rules laid down by special relativity.

Cherenkov Telescope Array Observatory to be world’s largest and provide new insights into high-energy Universe. A groundbreaking ceremony for the CTAO’s southern array facility took place last week at ...

Abstract: This paper presents an X-band high-efficiency dual-mode relativistic Cherenkov oscillator (DM-RCO) operating at low guiding magnetic field. The device comprises a TM01-TM02 mode converter, a ...

LAS VEGAS (KLAS) — Officials are alerting the public to low-flying helicopters expected over the Las Vegas Strip and surrounding areas in the days leading up to New Year’s Eve. The National Nuclear ...

Abstract: A novel subterahertz relativistic coaxial Cherenkov oscillator with an external quality factor regulation mechanism is proposed. This device achieves high output efficiency and power ...

A massive fog bank that has been blanketing much of California’s Central Valley with low-lying clouds since Thanksgiving time has prompted fears online of a mysterious and harmful “radiation fog,” but ...

The IAEA has released a new safety guide to help countries design and run radiation monitoring programmes to ensure people and environment are protected from harmful effects of ionizing radiation.

SACRAMENTO, CALIFORNIA: In late 2025, widespread claims circulated online about a massive blanket of radiation fog covering California’s Central Valley. These claims suggested the fog was mysterious ...