Binary Star V Sagittae Will Explode as a Very Bright ‘Nova’ by Century’s End

Currently, the faint star V Sagittae, V Sge, in the constellation Sagitta, is barely visible, even…

LIGO-Virgo: Gravitational Wave Network Catches Another Neutron Star Collision

On April 25, 2019, the LIGO Livingston Observatory picked up what appeared to be gravitational ripples…

Simulating The First Image From WFIRST

Imagine a fleet of 100 Hubble Space Telescopes, deployed in a strategic space-invader-shaped array a million…

NASA’s Hubble Survey’s Gigantic Galaxy

This majestic spiral galaxy might earn the nickname the “Godzilla Galaxy” because it may be the…

NASA’s Great Observatories Help Build 3-D Visualization of Exploded Star

Astronomers and visualization specialists from NASA’s Universe of Learning program have combined the visible, infrared, and…

Galactic Pyrotechnics From 23 Million Light Years Away

A galaxy about 23 million light years away is the site of impressive, ongoing fireworks. Rather…

Hubble’s Close-Up of Spiral Galaxy’s Disk And Bulge

This image from the NASA/ESA Hubble Space Telescope shows IC 2051, a galaxy in the southern…

Fermi Links Nearby Pulsar’s Gamma-ray ‘Halo’ To Antimatter Puzzle

NASA’s Fermi Gamma-ray Space Telescope has discovered a faint but sprawling glow of high-energy light around…

Webb Telescope to Search for Young Brown Dwarfs and Rogue Planets

How small are the smallest celestial objects that form like stars, but don’t produce their own…

Distant Milky Way-like Galaxies Reveal Star Formation History Of The Universe

Look at this new radio image covered with dots, each of which is a distant galaxy!…