A radio telescope in South Africa has unearthed a giant galaxy—dubbed a "cosmic megastructure"—with plasma jets that measure ...

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

Hubble Space Telescope mapped Andromeda, revealing a chaotic history shaped by mergers. A 2.5-billion-pixel mosaic shows 200 ...

Astronomers have achieved a groundbreaking feat by capturing the first clear image of a star in another galaxy. This ...

New research suggests that most of the atoms within the human body likely spent part of their lives drifting beyond the Milky ...

In the meantime, there remains a chance to glimpse Gaia through a small telescope before its final retirement. Uwe Lammers, ...

We can judge the value of any scientific endeavour based on how much of our knowledge it overturns or transforms.

The Andromeda galaxy is a colossal marvel in our sky, hosting over 1 trillion stars. Now, astronomers have used the Hubble ...

The materials that make up your body are intergalactic voyagers that have existed beyond the limits of the Milky Way.

Astronomers have detected a mid-infrared flare from the supermassive black hole at the heart of the Milky Way galaxy for the ...

Spur and gap features seen in Milky Way’s GD-1 stellar stream could be caused by a self-interacting dark matter subhalo. New research points to a dark matter subhalo as the architect behind the unique ...

Taking advantage of a cosmic 'double lens,' astronomers resolved more than 40 individual stars in a galaxy so far away its light dates back to when the universe was only half its present age.