Astronomers studying a distant galaxy cluster stumbled upon ancient radio signals that might hold clues to the formation of ...

A NASA satellite that’s been orbiting as space junk since 1967, Relay 2, emitted an unexpected, powerful radio burst that ...

LOFAR detects a faint radio 'mini-halo' from 3.8 billion years ago, revealing how galaxy clusters evolved in the early ...

A communications satellite out of commission since 1965 is chirping at the Earth in radio frequencies. What is happening? We ...

After taking a closer look, however, the team realized that the only viable source for the burst was NASA’s dead Relay 2, a ...

A newly discovered radio halo, 10 billion light-years away, reveals that galaxy clusters in the early universe were already ...

A powerful and mysterious blast of radio waves that astronomers believed was a fast radio burst (FRB) from far beyond the ...

New research from physicists at Peking University, China, suggests that some pulsars may have massive mountains on them, ...

The ANITA experiment, built to detect neutrinos, has detected very strange radio waves coming from deep below the Antarctic ...

A powerful radio burst detected in 2024 from within our galaxy may have come from NASAs Relay 2 satellite, launched in 1964.

Between 50 and 1,000 kilometers above our heads is the ionosphere, a layer of Earth's upper atmosphere consisting of charged ...