Galaxies are not islands in the cosmos. While globally the universe expands—driven by the mysterious "dark energy"—locally, ...

Looking at a distant galaxy means looking back in time.

Created by a young star, the bipolar star-forming region Sharpless 2-106 in this Hubble image depicts how intense the ...

The galaxy Dragon Arc was observed along the line of sight to the galaxy cluster Abell 370, which acts as a cosmic magnifying glass.

Black holes are among the most mysterious and influential phenomena in the cosmos. They hold the key to understanding the ...

Researchers discover 44 stars 6.5 billion light-years away using gravitational lensing Cosmic magnification reveals ...

New observations from the National Science Foundation National Radio Astronomy Observatory's (NSF NRAO) Karl G. Jansky Very ...

Discover how scientists traced a mysterious radio signal from an ultra-dense neutron star 200 million light-years away, ...

From mysterious dark matter to the radioactive decay of atomic nuclei, the past 12 months have reiterated just how strange ...

Researchers have unveiled a cosmic cycle where carbon, created in the explosions of stars, travels through space via a ...