The Death Valley Dark Sky Festival is returning to the national park from Feb. 6 through Feb. 8. DarkSky International, a starry-sky conservation and advocacy group fighting against light pollution, ...

KAIST researchers tested optical frequency comb lasers as reference signals for radio astronomy, aiming to synchronize radio telescopes with light-based timing in VLBI observations.

Cosmic radio pulses repeating every few minutes or hours, known as long-period transients, have puzzled astronomers since ...

Astronomers detected radio waves from a rare exploding star, revealing what happens in the final years before a massive star ...

Astronomers have captured the first radio signals from a rare supernova, revealing intense activity in a star’s final years before it exploded.

Astronomers using W.M. Keck Observatory on Mauna Kea have uncovered the largest and most extended stream of super-heated gas ever observed flowing from a nearby galaxy, providing the clearest evidence ...

Discover why astronomy and cosmology are the universe's mapmakers. Discover how scientists trace galaxies, the cosmic web, and the large-scale architecture of our entire existence in three dimensions ...