Latest News About Stars and Galaxies
Stars are giant, luminous spheres of plasma. Galaxies consist of stars, stellar remnants, dust, gas, and dark matter, bound together by gravity. Learn more about stars and galaxies.
Astronomers have created a timeline for the age of re-ionization in the universe for the first time.
Skywatchers shoot remarkable image of Earth’s gibbous moon captured in the hands of an observer holding tissue paper.
French skywatching enthusiast Thierry Legault captured a brilliant deep-sky image of the Pinwheel Galaxy.
With its high powered eyes directed toward dwarf irregular galaxy Holmberg II, the space telescope viewed the remnants of a supernova explosion whose shock waves created glowing bubble-like gas features.
Europe's Very Large Telescope is taking the most important meal of the day very seriously: Scoping out the constellation Scorpius, the VLT has found a yellow hypergiant star and its double shell of dust. It resembles a fried egg.
Astrophysicists explain how their space-based observatory collected the data that allowed them to reveal the twin sun-orbiting planet Kepler 16-b. It has been nicknamed "Tatooine" after the Star Wars saga's double sun planet.
The Chandra Observatory has witnessed the CoRoT-2a star blasting x-rays at its poor neighbor at a rate hundred's of thousands of times more powerful than Earth receives from the Sun. The planet is dissipating 5 million tons of matter every second.
Astronomers using Europe's HARPS telescope have discovered 50 new exoplanets orbiting nearby stars - including these 16 super-Earths, one of which lies within its star's habitable zone.
Find out why stars twinkle, how it effects Earth-based skywatching, past and present laser technologies used to counteract the effect and the future implementation of that tech on Europe's Extremely Large Telescope.
The find could help astronomers understand galaxy and black hole mergers.
See some of the best photos of supernovas — the explosive deaths of stars.
Check out a galaxy that glows green from within, a big splash at NASA and Stephen Colbert goes nuts for space.
A massive "blob" of glowing gas is illuminated by bright galaxies inside, according to a new study.
Check out a bright solar flare, colliding galaxies, a meteor shower and a stunning view of New York.
A giant cosmic necklace glows brightly in a newly released image from the Hubble Space Telescope.
The Chandra X-ray Observatory has captured galaxies VV 340 North and VV340 South at the early stages of their merge, an interaction that will take millions of years. This cosmic punctuation mark is located about 450 million light years from Earth.
Over 16,000 feet up in the Chilean Andes, a multi-national group is constructing a complex antenna that could revolutionize our understanding the origins of the universe.