Astronomers have spotted centimeter-sized “pebbles” swirling around two infant stars 450 light-years away, revealing the raw ...

Astronomers from Bulgaria and Egypt have performed multi-wavelength observations of a well-known blazar designated S5 ...

We may already be broadcasting signals to the universe and alien life that inadvertently scream "we're here, come find us!"  —  and any potential intelligent life in the universe could be sending the ...

A team of international researchers led by Tomas Stolker in the Netherlands has imaged a young gas giant exoplanet near a 12-million-year-old star. The planet is orbiting a star whose planet formation ...

Radar systems emit electromagnetic signals that can travel into space, detectable by powerful radio telescopes.

In the upper panel, the animation shows the average total power of individual airport radar systems, averaged over one-hour intervals. The lower panel reveals the total power of airport radar leakage ...

The "unintentional electromagnetic leakage" from airport radars and military radar systems can be "detectable across ...