The universe is approaching the midpoint of its 33-billion-year lifespan, a Cornell physicist calculates with new data from ...

Using a global network of telescopes, astronomers have detected the lowest-mass dark object yet found in the universe.

The first batch of data from the Dark Energy Spectroscopic Instrument is now available for researchers to explore. Taken during the experiment's 'survey validation' phase, the data include distant ...

The first stars in the universe formed out of pristine hydrogen and helium clouds, in the first few hundred million years ...

Physicists have been puzzling over conflicting observational results pertaining to the accelerating expansion rate of our Universe—a major discovery recognized by the 2011 Nobel Prize in Physics. New ...

A team of astronomers has attempted to track the path of interstellar object 3I/ATLAS back into the past, tracing its path ...

It's hard to grasp the sheer amount of astronomical data that came online this week in a 1.6-petabyte data-dump from a Hawaiian telescope, but picture 30,000 Wikipedias or 15 Libraries of Congress. At ...