Graphic of pulsar and white dwarf system

Most Massive Neutron Star Discovered

Astronomers using the National Science Foundation’s Green Bank Telescope have discovered the most massive neutron star yet found, a discovery with strong and wide-ranging impacts across several fields of physics and astrophysics.

Robert C. Byrd Green Bank Telescope

New Technique for Studying Dark Energy

Pioneering observations with the National Science Foundation’s giant Green Bank Telescope have given astronomers a new tool for mapping large cosmic structures. The new tool promises to provide valuable clues about the nature of the mysterious “dark energy” believed to constitute nearly three-fourths of the mass and energy of the Universe.

Artist's conception of Milky Way with hydrogen clouds

Clue to Origin of Milky Way Gas Clouds

A surprising discovery that hydrogen gas clouds found in abundance in and above our Milky Way Galaxy have preferred locations has given astronomers a key clue about the origin of such clouds, which play an important part in galaxy evolution.

Artist's Conception of the Milky Way

New Star-Forming Regions in Milky Way

Astronomers studying the Milky Way have discovered a large number of previously-unknown regions where massive stars are being formed. Their discovery provides important new information about the structure of our home Galaxy and promises to yield new clues about the chemical composition of the Galaxy.

Core-collapse supernova explosion expelling nearly-spherical debris shell.
Shay Bloxton