How scientists are searching for signs of alien technology across the Galaxy ...

The mathematical certainty that 'they' definitely exist in the universeWhen looking up at the night sky, everyone has surely ...

Laser-sail experiments test a route to nearby stars, while research reveals major barriers to interstellar missions.

Astronomers are always on the lookout for radio signals from outer space. Here on Earth, we rely on these signals for virtually all forms of wireless communication. Bluetooth and Wi-Fi are two ...

An alien radio signal from K2-155 d? Are there any alien civilizations out there? For several decades, scientists have been searching for evidence that they exist. That effort is collectively known as ...

Beta Pictoris b appears to have an aurora caused by a powerful magnetic field. If confirmed, it would be the first such field known outside our solar system. By Jonathan O’Callaghan Radio waves ...

Most sci-fi fans are familiar with classic alien invasion movies like "Invasion of the Body Snatchers" and "Independence Day." Still, not every film can be a hit, and there are gems out there that fly ...

Scientists have detected direct, localized radio emissions from an exoplanet for the very first time. But don't call the Space Force and White House hotline just yet—these signals are not alien ...

Bigger models can rank, classify, and search at extraordinary scale. They still cannot manufacture evidence that an instrument never captured.

SETI is entering an AI-assisted era in which more kinds of technosignatures can be found faster. The safeguard is not a single higher threshold, but a public evidence ladder that separates anomaly, ...

Just over a year ago, Dylan Borland—a former Air Force geospatial intelligence specialist—told a House Oversight task force that he'd watched a roughly 100-foot triangular craft lift silently off the ...

The SETI@home Multi-Beam interface visualises frequency data processed by a volunteer computer. Credit: SETI@home/UC Berkeley. UC Berkeley project report. For 21 years, a global network of ordinary ...