There is a mysterious phenomenon in which strong radio signals arrive periodically from space, yet their source remains ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth could be overlooking prime evidence of alien intelligence.

Astronomers have detected radio signals coming from a long-dead neutron star known as the 'Blue Eye Pulsar' after searching ...

These signals were first found by chance as telescopes scanned broad areas of the sky. Only about a dozen of these unusual ...

Optical observations obtained using the Southern Astrophysical Research ( SOAR) Telescope showed a white dwarf binary at the emission's location in the sky, with spectra revealing a clear orbital ...

Research indicates airport radar systems may unintentionally broadcast Earth's presence to aliens up to 200 lightyears away, ...

A recent investigation led by Todd Humphreys from the University of Texas, Austin, found that the Russian Kosmos 2546 may have been used to jam GPS signals on a continen ...

When NASA's Cyclone Global Navigation Satellite System, or CYGNSS, launched into orbit in 2016, none of the University of ...

Nations are increasingly battling for control in the space domain to strengthen military signals against disruptions and spoofing attacks on GPS navigation systems.