Missing Matter And The Workings of The Galactic Ecosystem

Take a look at any galaxy in the universe through a telescope or in pictures captured…

Hubble Observes Tiny Galaxy with Big Heart

Nestled within this field of bright foreground stars lies ESO 495-21, a tiny galaxy with a…

Starshade Would Take Formation Flying to Extremes

Anyone who’s ever seen aircraft engaged in formation flying can appreciate the feat of staying highly…

The Formative Years: Giant Planets vs. Brown Dwarfs

Based on preliminary results from a new Gemini Observatory survey of 531 stars with the Gemini…

Citizen Scientists Re-tune Hubble’s Galaxy Classification

Hundreds of thousands of volunteers have helped to overturn almost a century of galaxy classification, in…

Astronomers Determine Mass of Small Black Hole at Center of Nearby Galaxy

If astronomers want to learn about how supermassive black holes form, they have to start small–really…

Mature Galaxy NGC 7773 Mesmerizes In New Hubble View

This striking image was taken by the NASA/ESA Hubble Space Telescope’s Wide Field Camera 3 (WFC3),…

The Mystery Of The Galaxy With No Dark Matter Solved

Galaxies with no dark matter are impossible to understand in the framework of the current theory…

Cool, Nebulous Ring Around Milky Way’s Supermassive Black Hole

New ALMA observations reveal a never-before-seen disk of cool, interstellar gas wrapped around the supermassive black…

A Giant Stellar Eruption Detected for the First Time

A group of researchers has identified and characterized for the first time in a complete way…