The first experience that an alien civilization might have of us may not be telecommunications – no ETs watching early The ...

China's Shijian-21 and Shijian-25 satellites, known as SJ-21 and SJ-25 for short, likely docked together in geosynchronous ...

Only a few dozen of these short-lived binaries exist in the galaxy at a time, making the serendipitous find extremely ...

A gigantic array of radio dishes proposed for the Utah desert could advance our understanding of physics and help us decode ...

A new observatory is coming on-line and, in its own way, is going to have an impact similar to what we are seeing with the James Webb Space Telescope.

HIP 67522 b, a Jupiter-sized planet, orbits its star in just 7 days. Its closeness disturbs the star’s magnetic field, ...

The newly discovered interstellar visitor is just the third of its kind and fascinates astronomers who hope to learn from it ...

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth ...

Radio telescopes saw a strange burst of unknown energy in June 2024. Now we know it was from Relay 2, an early ...

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

Understanding how the universe transitioned from darkness to the emergence of stars marks a critical shift known as Cosmic ...

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