An Unknown Deep-Space Signal Reaches Humanity, It Lasted Just 10 Seconds ...

A "crowdsourced" project in which home computer users were enlisted to help analyze radio signals from space is ending after more than two decades.

The James Webb Space Telescope imaged galaxy NGC 4141, where astronomers traced the precise origin of a recent fast radio burst and its potential red giant companion, annotated in the inset as NIR-1. ...

Astronomers at the International Centre for Radio Astronomy Research (ICRAR), working with international collaborators, have made a striking discovery involving a previously unknown type of cosmic ...

A repeating fast radio burst has just given up one of its biggest secrets. Long-term observations revealed a rare signal ...

The mysterious “Wow!” signal from deep space, caused by a yet unknown astronomical event, was much stronger than previously thought, a new study suggests. “Wow!” is the name given to the enigmatic and ...

Tiny delays in pulsar signals measured by SETI scientists could aid the search for gravitational waves and extraterrestrial life.

Cosmic radio pulses repeating every few minutes or hours, known as long-period transients, have puzzled astronomers since their discovery in 2022. Our new study, published in Nature Astronomy today, ...

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 ...

A constellation of classified defense satellites built by the commercial company SpaceX is emitting a mysterious signal that may violate international standards, NPR has learned. Satellites associated ...