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.

Machine learning can help tighten constraints on the overarchingFor almost as long as humans have existed, we have been ...

Previously described as playing astronomical "spot the difference," Kilonova Seekers asks the public to compare the latest ...

Astronomers have produced the most detailed map yet of the Sculptor Galaxy, revealing hundreds of previously unseen celestial ...

Cosmology and Extragalactic Astronomy Publication Trend The graph below shows the total number of publications each year in Cosmology and Extragalactic Astronomy.

Galileo continued writing in conversational language for his landmark 1632 work, Dialogo sopra i due massimi sistemi del ...

A dramatic cosmic event, a rare dwarf nova that suddenly brightened by a factor of 2,500, has been discovered with the help ...

"Using the new common signal, we can determine how much of what we're seeing is cosmic glare from light bouncing off the hood ...

A university partnership project which has involved members of the public in identifying cosmic explosions has announced its ...

Understanding how the universe transitioned from darkness to light with the formation of the first stars and galaxies is a ...