Sections

Services

Information

US United States

Milky Way

Articles (1 - 9 of 9)

This artist’s impression of the Milky Way galaxy. The blue halo of material surrounding the galaxy indicates the expected distribution of the mysterious dark matter. ESO/L. Calçada

Dark matter and the Milky Way: more little than large

While invisible, dark matter completely dominates our Milky Way, recent measurements of just how much dark matter there is have revealed a bit of a mystery. In a paper published today in the Astrophysical…
The Large Magellanic Cloud (right) visible in the southern sky is a nearby galaxy to our own. Flickr/Tracey Harrison Hill

Darwin meets Newton: evolution and the mass of the galaxy

If the solution to a problem does not reveal itself straight away then why not let your initial guesswork evolve? That’s the approach we’ve taken in trying to determine the mass of our galaxy by mapping…
Two lobes of charged particles (light blue) have been discovered coming from the galactic centre. Ettore Carretti, S-PASS, Axel Mellinger, Eli Bressert.

Meet the largest structure ever discovered in our galaxy

It’s not every day that you discover a huge structure that stretches more than half way across the sky. But this exact thing happened to the international team of astronomers I was leading, as we pored…

Milky Way may be brimming with nomads

Our galaxy may be teeming with so-called ‘nomad planets’, which travel through space rather than orbiting stars, according…
Is that a planet, a galaxy or a Rosetta Stone? ichewmylips

The Astronomer’s Holy Grail

A vital part of professional astronomy is collecting data using large telescopes. In many cases, these telescopes are national or international facilities, with time available to all through a competitive…
Viewed from afar, the Milky Way might appear similar to the galaxy known as NGC 7331. R. Jay GaBany/NASA

Explainer: a beginner’s guide to the galaxy

Where are we within our galaxy? How did our galaxy form? How did it evolve over the aeons? Astronomers have been asking these questions for the past century, and have recently begun discerning the answers…

Top contributors

More