These observations reveal that galaxies first formed thick, chaotic disks, and only later developed the calm, thin disks seen in modern spirals like the Milky Way. The figures illustrate the revealed ...

A new composite image of the Andromeda Galaxy is offering an unprecedented view of our closest spiral galactic neighbor. Composed by NASA and international space partners, the image combines data from ...

An investigation, carried out by the astrophysicists of the Instituto de Astrofísica de Canarias (IAC), questions one of the ...

Named for the pioneering astronomer Vera Rubin, whose work on galaxy rotation helped prove the existence of dark matter, the ...

NASA's Chandra X-ray space telescope has captured a breathtaking image of the neighboring Andromeda galaxy, in a tribute to ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

Using gravitational microlensing, scientists have discovered a rare, large planet at the edge of the Milky Way. The planet is ...

Rubin Observatory begins 10-year sky survey to uncover dark matter, track asteroids, and build a detailed view of our ...

Stargazing in July hopefully promises warm nights in Wyoming. The highlight of July evenings is the prominent band of the ...

A new generation of black hole research is unfolding thanks to artificial intelligence, massive simulations, and cutting-edge ...

Funded by the U.S. National Science Foundation and the U.S. Department of Energy’s Office of Science, the Vera C. Rubin ...

A microquasar belonging to our Milky Way galaxy has set records by generating cosmic rays with energy levels never before ...