On Dec. 15, 1612, the Andromeda galaxy was seen through a telescope for the first time by a German astronomer named Simon Marius. [‘On This Day in Space’ Video Series on Space.com] The Andromeda ...

The colors of the arrows represent the direction of motion. Relative to the LMC, located at the bottom left of the image, most red arrows show movement towards the LMC, whereas most light blue arrows ...

Scientists at Nagoya University in Japan shared new insights into the motion of massive stars in a nearby galaxy that could completely transform our understanding of galaxy evolution and interactions.

Velocities of massive star candidates within the SMC shown as vectors. The colors of the arrows represent the direction of motion. Relative to the LMC, located at the bottom left of the image, most ...

The JWST field (cyan rectangle) shown on a MeerKAT radio continuum image centered at 1.28 GHz (I. Heywood et al. 2022). While most NTFs, such as the Sgr C NTF, run orthogonal to Galactic plane, the ...

This interstellar vagabond is only the third large interstellar visitor that we have ever discovered — an asteroid or comet ...

The Milky Way looks serene from our vantage point, a hazy river of light arcing across the night sky. Yet the stars that make up that glow are quietly telling a more dramatic story, one in which our ...

Comet Lemmon was discovered in January 2025 and made its closest approach to Earth in late October 2025. But by November 2025 ...

Along with summer comes the peak time for viewing the core of our galaxy, the Milky Way. But if you want to see the dense area of stars at the center of the Milky Way, you'll need a few conditions in ...

It may come down to a coin toss as to whether the Milky Way collides with the Andromeda Galaxy within 10 billion years. While scientists have previously reported that a convergence was certain, an ...

Astronomers have long thought that the Milky Way is headed for an inevitable crash with its neighbor, Andromeda. But a new study complicates the story. Researchers have long thought that the Milky Way ...