A mysterious, high-energy glow from gamma-rays in the Milky Way's center is reigniting the debate: dark matter or a hidden ...

The Milky Way is home to gas, dust, billions of stars, and a supermassive black hole at its center. Living in this galactic home gives us exclusive insight into its components, but it also hinders our ...

Sometime between 8 and 11 billion years ago, the Milky Way crashed into a dwarf galaxy that astronomers call the Gaia Sausage. You will not see the Gaia Sausage today. As far as astronomers know, its ...

Our Milky Way is far from calm — it ripples with a colossal wave spanning tens of thousands of light-years, revealed by ESA’s Gaia telescope. This wave, moving through the galaxy’s disc like ripples ...

A supermassive black hole in the early Universe has been spotted blasting out powerful jets of plasma that are at least twice as long as the Milky Way is wide. Its host galaxy is a quasar called ...

A newly-discovered spiral galaxy, dubbed the Big Wheel, formed just 2 billion years after the big bang – far earlier, considering its size, than astronomers thought possible. Themiya Nanayakkara, at ...