Scientists using a high-precision planetary radar technique for the first time have discovered that the innermost planet Mercury probably has a molten core, resolving a mystery of more than three decades.
Brown Dwarfs: A New Class of Stellar Lighthouse
Brown dwarfs, thought just a few years ago to be incapable of emitting any significant amounts of radio waves, have been discovered putting out extremely bright lighthouse beams of radio waves, much like pulsars.
Radio Telescopes Provide Key Clue on Black Hole Growth
Astronomers have discovered the strongest evidence yet found indicating that matter is being ejected by a medium-sized black hole, providing valuable insight on a process that may have been key to the development of larger black holes in the early Universe.
VLBA Helps Build New Picture of Star-Forming Regions
New, high-precision distance measurements by the National Science Foundation’s Very Long Baseline Array (VLBA) radio telescope are providing a major advance for astronomers trying to understand how stars form.
VLA Study Reveals ‘Smoking Gun’
Astronomers have used the National Science Foundation’s Very Large Array radio telescope to image a young, multiple-star system with unprecedented detail, yielding important clues about how such systems are formed.
VLA Discovers Giant Rings Around Galaxy Cluster
Astronomers using the National Science Foundation’s Very Large Array radio telescope have discovered giant, ring-like structures around a cluster of galaxies.