measuring the rotation curve of our Milky Way has proven more difficult. What is needed is accurate distance information so that we know how far from the galactic center various outlying stars are.

Once thought to be 8 billion years old, the star HD 110067 — famous for its six synchronized exoplanets — may be only 2.5 ...

Jamie Carter is an award-winning reporter who covers the night sky. The core of the Milky Way in Sagittarius low in the south over the Frenchman River valley at ... [+] Grasslands National Park ...

The evidence for this area of physics comes from observations of the rotation of galaxies and planets. Our Milky Way is a spiral galaxy rotating around a central point. Our Sun is on one of the ...

This collage highlights a small selection of regions of the Milky Way imaged as part of the most ... [+] detailed infrared map ever of our galaxy. Here we see, from left to right and top to bottom ...

In this one-minute clip posted to X from the International Space Station (ISS) social media account, SpaceX's Crew Dragon Freedom can be seen docked against the backdrop of the Milky Way.

Situated approximately 2.5 million light-years from Earth, the Andromeda Galaxy is the closest major galaxy to the Milky Way, belonging ... the most detailed rotation curve ever made for it ...

Astronomers have captured the first detailed images of a star beyond our Milky Way galaxy on the verge of ... elongated shape may be the result of its rotation or the presence of an unseen ...