New measurements using gravitational lensing suggest the universe’s current expansion rate does not agree with signals from the early cosmos.

Scientists have observed the largest-known rotating structure in the cosmos - a gargantuan thread-like assemblage of hundreds of galaxies, gas and dark matter that makes up a filament in the ...

From your place inside the Milky Way, you are living within a galaxy that keeps a detailed chemical diary. Every star holds ...

A powerful roar rocked the forest before the silhouette of a lioness appeared at an Indian reserve, a potent image of how ...

Scientists believe that the universe on very large scales is made of a network-like distribution of galaxies, gas and dark ...

Some of the elements used by living systems are far more abundant in Cassiopeia A than we thought, hinting that some parts of ...

Clues about how galaxies like our Milky Way form and evolve and why their stars show surprising chemical patterns have been ...

A new study using Auriga simulations explains the Milky Way’s chemical bimodality. Stars split into magnesium-rich and iron-rich sequences, revealing multiple evolutionary paths shaping our galaxy.

New simulations reveal that the Milky Way’s odd split between two chemically distinct groups of stars isn’t a universal ...

Astronomers have observed the longest-ever gamma-ray burst — a powerful, extragalactic explosion that lasted over seven hours ...

Since the beginning of our species’ history, we have used the stars to propel us forward. The stars allowed us to navigate ...