Superluminous supernovas are the brightest stellar explosions in the universe. Astronomers may have found a mechanism that ...

An artist's impression of a magnetar with a wobbly accretion disk. (Joseph Farah and Curtis McCully) A never-before-seen 'chirp' in the light of an exploding star has revealed new clues about the ...

The discovery of a newborn magnetar inside a distant supernova helps explain why some stellar explosions shine far brighter ...

Astronomers have discovered a strange new signal coming from an exploding star — a “chirp” that speeds up over time, similar to the signals seen when black holes collide. The unusual pattern appeared ...

A ramp tracker creates the chirp signal, while paired NMOS and PMOS varactors correct frequency distortions. This hardware linearization method allows fast, accurate chirps with simpler circuits and ...

The “ethical hacker” who created the Bluetooth “signal sniffer” being used to try to track Nancy Guthrie’s pacemaker said he created the high-tech tool specifically for the search for the missing ...

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Emily Mae Czachor is a reporter and news editor at CBSNews.com. She typically covers breaking news, extreme weather and issues involving social justice. Emily Mae previously wrote for outlets like the ...

Leon Draisaitl was a member of the Edmonton Oilers team that twice faced Matthew Tkachuk's Florida Panthers in the 2024 and 2025 Stanley Cup final. Both times, the Panthers won. And Tkachuk isn't ...

A weak phone signal can turn even the latest smartphone into a brick, leaving you with dropped calls, slow internet and messages that refuse to send. It's easy to curse the "middle of nowhere" or ...

Pentagon watchdog says Hegseth's use of Signal app put U.S. personnel at risk, AP sources say The Pentagon’s watchdog has found that Defense Secretary Pete Hegseth put U.S. personnel and mission at ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...