New research suggests that dark energy isn't needed to explain the acceleration in the expansion of the universe — instead ...

The new composite image, which combines hundreds of photos from the Hubble Space Telescope, shows the Andromeda Galaxy with more than 200 million individually resolved stars.

A unique dataset of Type Ia supernovae being released today could change how cosmologists measure the expansion history of ...

Early data of “little red dots,” or LRDs, from the James Webb Space Telescope (JWST) appeared to suggest the presence of galaxies too massive to exist in our modern cosmological models.

A new study published in the Journal of Cosmology and Astroparticle Physics (JCAP) presents a methodology to test the ...

For a long time, scientists have believed that the universe looks the same no matter where you are or which direction you look. This idea, called the Cosmological Principle, is a key assumption in ...

Astrophysics professor Wendy Freedman discussed her career and award-winning research on the Hubble constant.

A unique dataset of Type Ia Supernovae being released today could change how cosmologists measure the expansion history of the Universe.

The ZTF cosmology science working group is today publishing twenty-one articles studying these 3628 Type Ia Supernovae, forming a Special Issue in Astronomy & Astrophysics. https://www.aanda.org ...