Centuries before other galaxies were known to exist, astronomers called them “spiral nebulas.” Today the defunct term still ...

This is the largest photomosaic yet assembled from Hubble Space Telescope observations. It is a panoramic view of the Andromeda galaxy, located 2.5 million light years away from Earth. This mosaic ...

"Beyond the Milky Way lie billions of other galaxies, drifting a few million light years from one another like lily pads floating on the surface of a pond." — Timothy Ferris in Seeing in the Dark A ...

On Dec. 15, 1612, the Andromeda galaxy was seen through a telescope for the first time by a German astronomer named Simon Marius. The Andromeda galaxy is the closest major galaxy to the Milky Way, and ...

The Andromeda galaxy is the galaxy next door, a very faint, fuzzy thing in the night sky, larger than a full moon. Textbooks claim it’s visible to the naked eye. Most of us have never noticed it. Too ...

Michael Bakich selected visually stunning celestial objects observed through telescopes, including Omega Centauri, the 2010 total solar eclipse over Easter Island, Thor's Helmet nebula, and the Jewel ...

Running a tech startup is a challenging endeavour under any circumstances. Imagine doing it under invasion with air raid sirens going off on average twice every 24 hours — and managing to grow 250% in ...

This NASA/ESA Hubble Space Telescope image features a dusty yet sparkling scene from one of the Milky Way’s satellite galaxies, the Large Magellanic Cloud. The Large Magellanic Cloud is a dwarf galaxy ...

Nebula was once the Guardians of the Galaxy franchise’s best, most compelling villain. In fact, that’s all she was in their original movie. She began her on-screen journey as a terrifying, fearsome, ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The James Webb Space Telescope (JWST) has just headed into its ...

Vesto Melvin Slipher was born on a farm in Mulberry, Indiana, on Nov. 11, 1875. He graduated from high school, taught briefly ...