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Milky way

Milky way galaxy with stars and space dust in the universe

Space

The Milky Way seems to be missing nearly half of its regular matter

Measurements of a blast of radio waves passing through our galaxy have shown that the Milky Way's proportion of visible matter is 40 per cent lower than the rest of the universe

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A glittering multitude of stars

Space

We may finally know how impossible stars at our galaxy’s centre formed

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Space

Astronomy Photographer of the Year photos are out of this world

Regulars
The core of the Milky Way in Sagittarius low in the south over the Frenchman River valley at Grasslands National Park, Saskatchewan.

Space

How to spot the group of stars known as the Teapot

Regulars
Gaia

Space

Gaia telescope鈥檚 new map of the Milky Way will let us rewind time

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Milky Way gamma rays

Space

Mysterious gamma rays at centre of Milky Way could be from pulsars

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Illustration of the Milky Way galaxy as it might appear edge on. The Milky Way is a barred spiral galaxy roughly 100000 light-years in diameter. It is flat, shaped like two fried eggs back-to-back. At the centre is the nucleus, a vast flattened ball of old, red stars orbiting a supermassive black hole. This view imagines our galaxy seen from far from its nucleus, within the galactic plane. A lane of dust bisects the galaxy. Globular clusters (spherical clusters of stars) orbit here. One is seen in close up on the lower right.

Space

Some of the fastest stars in the Milky Way come from other galaxies

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New Chandra observations have been used to make the first detection of X-ray emission from young stars with masses similar to our Sun outside our Milky Way galaxy. The Chandra observations of these low-mass stars were made of the region known as the "Wing" of the Small Magellanic Cloud (SMC), one of the Milky Way's closest galactic neighbors. In this composite image of the Wing the Chandra data is shown in purple, optical data from the Hubble Space Telescope is shown in red, green and blue and infrared data from the Spitzer Space Telescope is shown in red. Astronomers call all elements heavier than hydrogen and helium - that is, with more than two protons in the atom's nucleus - "metals". The Wing is a region known to have fewer metals compared to most areas within the Milky Way. The Chandra results imply that the young, metal-poor stars in NGC 602a produce X-rays in a manner similar to stars with much higher metal content found in the Orion cluster in our galaxy.

Space

Rare intergalactic supernova may have been seen outside the Milky Way

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This image show stars orbiting very close to Sgr A* (centre), the supermassive black hole at the heart of the Milky Way. They were obtained with the GRAVITY instrument on ESO???s Very Large Telescope Interferometer (VLTI) at the end of March 2021.
Space

New images show our galaxy鈥檚 black hole more clearly than ever before

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Milky way galaxy

Space

A strange barrier is keeping cosmic rays out of the Milky Way鈥檚 centre

The very centre of the Milky Way has an unexpectedly low density of cosmic rays compared with the rest of the galaxy, which means that they are somehow being kept out

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Space

Astronomers may have spotted a new spiral arm of the Milky Way galaxy

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Space

The Milky Way may have less dark matter than astronomers thought

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The Milky Way

Space

Planets near dangerous stars could shield alien life under smog

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