Could the first confirmed signal from an extraterrestrial source be less a hello than a goodbye? Astrophysicist David Kipping argues as much, and his “Eschatian Hypothesis” reimagines the way ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

Radio telescopes have long scanned quiet patches of sky for a lone, artificial-sounding ping, but a growing body of research ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

Scientists used the 100-metre Green Bank Telescope to look for alien signals but detected no radio signals from 3I/ATLAS.

Historically, many scientists and society have been fascinated by the prospect of making contact with extraterrestrial civilisations. People around th.

Researchers used the Green Bank Telescope to study the interstellar comet and found that it exhibits typical cometary behavior, with no unusual features detected ...

The search for extraterrestrial intelligence (SETI) has yet to detect alien technosignatures like radio waves, but the cosmos is vast, and there are plenty of places left to look. New research ...

Though this hunt came up empty, the fact that 3I/ATLAS is only the third known object found in the solar system after ...

Estimating the chance of getting a message from life beyond Earth, say within the next decade, isn’t easy. Even the best experts are reluctant to offer precise odds. “Anybody who gave you a figure ...

A mystery " alien " signal from outer space has been tracked down to its source. First discovered in 2007, fast radio bursts, or FRBs, last only a millisecond and can carry an enormous amount of ...

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