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

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

Astronomers detected a powerful radio signal from near Earth, initially believed to be from a new space object. Check what ...

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 ...

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

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

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

A faint radio glow reveals a million-light-year halo enveloping one of the earliest galaxy clusters, hinting that energetic ...

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