John Williams
Hubble Spies Tiny, Ancient ‘Ghost Galaxies’
They're out there; tiny, extremely faint and incredibly ancient dwarf galaxies with so few stars that scientists call them 'ghost…
Sifting Starlight, Finding New Worlds
Looking directly at stars is a bad way to find planets orbiting faraway suns but using a new technique, scientists…
Life and Death in a Tangled Web of Space
In a star-making nebula awash in a tangled nest of gas and glowing filaments, scientists have uncovered an interesting, previously…
Remastering a Cosmic Cat Print
Glowing red against a backdrop of stars, amateur astronomers have remastered one of the sky's most distinctive nebulae, the Cat's…
Oldest Impact Crater on Earth Discovered in Greenland
With shifting continents, rain, and wind, finding traces of ancient impact craters on Earth has been, literally, astronomically low. Now,…
Galactic Gong – Milky Way Struck and Still Ringing After 100 Million Years
When galaxies collide, stars are thrown from orbits, spiral arms are stretched and twisted, and now scientists say galaxies ring…
Build a NASA Satellite, Study the Universe Online
Thanks to a new online game from NASA, everyone can be an engineer or astronomer and build a satellite to…
Daylight Fireball Dazzles Colorado, Grounds Fire Tankers
A dazzling daytime fireball zipped across New Mexico and Colorado yesterday creating a stir among law enforcement agencies, news organizations,…
Early Black Holes were Grazers Rather than Glutonous Eaters
Black holes powering distant quasars in the early Universe grazed on patches of gas or passing galaxies rather than glutting…
Huge Wildfires Burn on Opposite Sides of the Planet
The latest views of Earth from NASA's Aqua and Terra satellites are looking a bit hazy from wildfires burning in…