Astronomers have characterized the largest-ever early-Universe radio jet. Historically, such large radio jets have remained elusive in the distant Universe. With these observations, astronomers have ...

Understanding how the universe transitioned from darkness to light with the formation of the first stars and galaxies is a key turning point in the universe's development, known as the Cosmic Dawn.

LONG before the mass broadcasting of the twenties there were several fitful attempts at radio telephony. On December 24, 1906, Professor Reginald A. Fessenden transmitted clear speech and music from ...

When we think of a spark gap radio transmitter, most of us immediately imagine an early twentieth century ship’s radio room or similar. Most of us know these transmitters as the first radio systems, ...

From decades of astronomical observations, scientists know that most galaxies contain massive black holes at their centers. The gas and dust falling into these black holes liberates an enormous amount ...