The Milky Way ripples like a vast cosmic wave. Gaia’s precise measurements reveal a colossal motion sweeping through the galaxy’s disc, an echo of something mysterious in our galaxy’s ancient past.

Abstract: Recently, a new concept for a gyrotron backward-wave oscillator (gyro-BWO) with an ultra-broadband frequency tunability based on the use of an electrodynamic system in the form of an open ...

Abstract: Single-chip millimeter-wave radars provide opportunities for low-cost, high-resolution environmental monitoring applications (e.g., precipitation and snowpack characterization). However, the ...

The interstellar object dubbed 3I/ATLAS has been fascinating astronomers since its discovery in early July. The object, generally believed to be a comet, is screaming through the solar system at ...

On a visceral level, it feels far too common. A week ago, conservative activist Charlie Kirk was assassinated while speaking at a college in Utah. That same day, a student opened fire at a Colorado ...