Two studies fill in gaps about the cosmos’s ordinary matter. One maps it all, even the “missing matter.” The other details one of its hiding spots.

The current iteration of the galactic map is caught up with the sequels, featuring the Jedi planet Ahch-To and Sith planet ...

In a rare astronomical event, astronomers have confirmed the passage of an interstellar object through our solar system.

Figuring out the ages of stars is fundamental to understanding many areas of astronomy—yet, it remains a challenge since ...

NASA's James Webb Space Telescope has been unwaveringly focused on our universe. With its unprecedented power to detect and ...

The James Webb Space Telescope (JWST), launched in 2021, is currently the most powerful space observatory ever built.

Venus continues to be the “Morning Star” in the east before dawn, albeit it has become dimmer — but still bright — as it ...

The team used the Multi-Unit Spectroscopic Explorer (MUSE) on the European Southern Observatory’s Very Large Telescope in ...

July’s predawn sky offers some rare events, providing another reason to get outdoors to enjoy the relatively cool mornings.

A 500-year-old compass recently unearthed in Frombork, Poland could provide crucial insights into the scientific practices of ...

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

Seen as a long strand with smaller threads branching, the Quipu superstructure contains 68 galaxy clusters spanning 1.4 ...