A routine check for deep space anomalies turned into a rare find much closer to home.

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 ...

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

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

Source of the radio waves was tracked to a location that matches that of NASA’s defunct Relay 2 spacecraft, which launched in ...

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

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

Guided by fast radio bursts, astronomers at the Center for Astrophysics have mapped how ordinary matter is distributed in the ...

Although most of these radio signals emanate from deep space and are not thought to be technological in origin, the burst of ...

Astronomers have finally deciphered the mystery of a peculiar bright burst in space, initially spotted using a large radio ...

Much of the universe's regular "baryonic" matter is spread through intergalactic space and in diffuse halos around galaxies, ...