When x-ray telescopes or ... Large Magellanic Cloud and the Milky Way will merge into a single larger cluster, along with other larger structures, such as the Andromeda galaxy.

Andromeda XXXV is only about 20,000 times more massive than our Sun—very small, even for a satellite galaxy. For comparison, the Milky Way’s mass is about 1.5 trillion solar masses ...

Astronomers suspect Andromeda had a major collision with another galaxy relatively recently, perhaps 2 to 5 billion years ago. The Milky Way, on the other hand, probably hasn't had a run-in with ...

This may suggest that Andromeda’s dwarf galaxies have experienced a different kind of evolution compared to those of the Milky Way. Some scientists speculate that a major collision 2 to 5 ...

blast of X-rays coming from within the Large Magellanic Cloud (LMC), a galaxy that orbits the Milky Way from roughly 160,000 light-years away. "Have you ever flipped through old photo albums and ...

Have you ever wondered how astronomers manage to map out the Milky Way when it's so incredibly vast? One of the most powerful tools is something called 21 cm radiation. Hydrogen, the most abundant ...

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 ...

“We have a nice view of the Andromeda galaxy because we can see the whole thing laid out in front of us,” Majewski said. “We ...

NASA astronaut Don Pettit used a camera with low light and long duration settings to capture this Jan. 29, 2025, image of the Milky Way appearing beyond Earth's horizon. At the time, the ...

A new James Webb Space Telescope study finds that Sagittarius A*, the Milky Way's central black hole, constantly emits light from its swirling accretion disk. Credit: NASA / ESA / CSA / Ralf ...

Over the past decade, scientists have detected a puzzling phenomenon: radio pulses coming from within our Milky Way galaxy that would ... system in radio light and X-rays during a pulse event ...

NASA astronaut Don Pettit captures a breathtaking photo of the Milky Way from the ISS, highlighting the stunning view of our galaxy. As part of Expedition 72, Pettit and his team conduct crucial ...